##
**Journal papers**

- Watson-Crick Context-free Grammars: Grammar Simplifications and a Parsing Algorithm. The Computer Journal, 2018 (with N.L.M. Zulkufli, M.I.M. Tamrin, A. Messikh)
*ISI,***IF: 0.771**, SCOPUS, etc. - Nonlinear Convergence Algorithm: Structural Properties with Doubly Stochastic Quadratic Operators for Multi-Agent Systems. Journal of Artificial Intelligence and Soft Computing Research, 8(1), 2018, pp. 49-61. (with R. Abdulghafor, A. Zeki, A. Abubaker)
*Web of Science Emerging Sources Citation Index (ESCI), SCOPUS, etc.* - Consensus of Fractional Nonlinear Dynamics Stochastic Operators for Multi-Agent Systems. Information Fusion, 44, 2018, pp. 1-21. (with R. Abdulghafor)
*ISI,***IF 5.667**, SCOPUS, etc. - Reach a Nonlinear Consensus for MAS via Doubly Stochastic Quadratic Operators. International Journal of Control, 2017, pp 1-29. (with R. Abdulghafor, A. Zeki, I. Al-Shaikhli)
*ISI,***IF 2.208**, SCOPUS, etc. - On bonded Indian and Uniformly Parallel Insertion Systems and Their Generative Power. Malaysian Journal of Fundamental and Applied Sciences 13(4), 2017, pp. 769-773. (with A.F. Yosman, M. Holzer, B. Truthe, F.W. Heng)
*Web of Science Emerging Sources Citation Index, etc.* - State machine of place-labelled petri net controlled grammars. Malaysian Journal of Fundamental and Applied Sciences 13(4), 2017, pp. 649-653. (with N.M. Jan, W.H. Fong, N.H. Sarmin)
*Web of Science Emerging Sources Citation Index, etc.* - Closure Properties of Multiset Controlled Grammars. Indonesian Journal of Electrical Engineering and Computer Science, 8(1), 2017, pp. 36-42. (with S. Ashaari, A. Okhunov, M.I. Mohd Tamrin, T. Zhukabayeva)
*SCOPUS, etc.* - A Symmetric Cryptosystem Based on Nondeterministic Finite Automata. Journal of Theoretical and Applied Information Technology 95(10), 2017, pp. 1489-1498. (with G. Khaleel, I. Al-Shaikhli, M.I. Mohd Tamrin, T. Zhukabayeva)
*WoS Emerging Sources Citation Index, SCOPUS, etc.* - Variants of Weighted Sticker Systems with Different Weighting Spaces.
ScienceAsia, 43S, 2017, pp 43-51. (with W.H. Fong, Y.S. Gan, N.H.
Sarmin)
*ISI,***IF: 0.343**, SCOPUS, etc. - Generative Capacity of Sticker Systems with the Presence of Weights.
ScienceAsia, 43S, 2017, pp. 35-42. (with W.H. Fong, Y.S. Gan, N.H.
Sarmin)
*ISI,***IF: 0.343**, SCOPUS, etc. - Place-Labeled Petri Net Controlled Grammars. ScienceAsia, 43S, 2017, pp. 9-19. (with N.M. Jan, W.H. Fong, N.H. Sarmin)
*ISI,***IF: 0.343**, SCOPUS, etc. - Multiset Controlled Grammars. Journal of Theoretical and Applied Information Technology, 95(22), 2017, pp. 6089-6098. (with S. Ashaari, A. Okhunov, M.I. Mohd Tamrin, T. Zhukabayeva)
*WoS Emerging Sources Citation Index, SCOPUS, etc.* - A Comparative Performance Analysis of Modified Dömösi's Cryptosystem and Data Encryption Standard. International Journal on Perceptive and Cognitive Computing 3(1), 2017, pp. 11-14. (with G. Khaleel, I. Al-Shaikhli, M.I. Mohd Tamrin)
- Tree Valence Controlled Grammars. International Journal on Perceptive and Cognitive Computing 3(1), 2017, pp. 15-22. (with S. Ashaari, A. Okhunov)
- On Bonded Sequential and Parallel Insertion Systems. RAIRO - Theoretical Informatics and Applications, 2017. (accepted; with A.F. Yosman, M. Holzer, B. Truthe, W.H. Fong)
*ISI,***IF: 0.558**, SCOPUS, etc. - Structurally and Arithmetically Controlled Grammars. International Journal on Perceptive and Cognitive Computing 2(2), 2016, pp. 25-35 (with S. Ashaari, A. Okhunov)
- A New Symmetric Cryptosystem Based on Permutation Matrices. International Journal on Perceptive and Cognitive Computing 2(2), 2016, pp. 36-40 (with M. Shafriezal, S. Razalai, G. Khaleel)
- An Overview of Cryptosystems Based on Finite Automata. Journal of Advanced Review on Scientific Research 27(1), 2016 pp. 1-7 (with G. Khaleel, I. Al-Shaikhli, M.I. Mohd Tamrin)
- Dynamics of Doubly Stochastic Quadratic Operators on a Finite-Dimensional Simplex. Open Mathematics (Central European Journal of Mathematics), 14, 2016, pp. 509-519. (with R. Abdulghafor, A. Abubaker, A. Zeki)
*ISI,***IF: 0.682**, SCOPUS, etc. - A New Block Cipher Based on Finite Automata Systems. International Journal on Perceptive and Cognitive Computing, 2(1), 2016, pp. 23-26. (with with G. Khaleel, M.I.M. Tamrin, I.F. Al-Shaikhli)
- Nonlinear Consensus for Multi-Agent Systems using Positive Interactions of Doubly Stochastic Quadratic Operators. International Journal on Perceptive and Cognitive Computing, 2(1), 2016, pp. 19-22. (with R. Abdulghafor, M.I.M. Tamrin)
- Generative Power and Closure Properties of Watson-Crick Grammars. Applied Computational Intelligence and Soft Computing Vol. 2016, 2016, 12 pages. (with N.L.M. Zulkufli, M.I.M. Tamsin, A. Messikh)
*WoS Emerging Sources Citation Index, etc.* - Context-Free Petri Net Controlled Grammars under Parallel Firing Strategy. Applied Mathematics and Information Systems, 10(5), 2016, pp. 1757-1762. (with G. Mavlankulov, L. Zhumabayeva, M. Othman, T. Zhukabayeva, M. H. Selamat)
*SCOPUS, etc.* - Performance and Security Improvements of Dömösi's Cryptosystem. International Journal of Applied Mathematics and Statistics, 55(2), 2016, pp. 32-45. (with G. Khaleel, M.I.M. Tamrin, I.F. Al-Shaikhli)
*WoS Emerging Sources Citation Index, etc.* - Nonlinear Convergence Algorithm: Structural Properties with Doubly Stochastic Quadratic Operators for Multi-Agent Systems. Journal of Artificial Intelligence and Soft Computing Research, 2016. (accepted; with R. Abdulghafor, A. Abubaker, A. Zeki)
- k-Watson-Crick Petri Net Controlled Grammars. International Journal of Applied Mathematics and Statistics 53(3), 2015, 99–106. (with N. Mohamad Jan, W.H. Fong, N.H. Sarmin)
*SCOPUS, etc* - Computational Power of Probabilistic Bidirectional Sticker Systems in DNA Computing. Journal of Applied Mathematics and Statistics 53(3), 2015, 66–72. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
- The Generative Capacity of Probabilistic Splicing Systems. Applied Mathematics & Information Sciences, 9(3), 2015, 1191–1198. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
*ISI,***IF: 1.232 (2014)**,*SCOPUS*, etc. - Computational Power of Weighted Splicing Systems. Comptes rendus de l'Academie bulgare des Sciences, 67(6), 2014, 753–762. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
*ISI,***IF: 0.251**, SCOPUS, etc. - Weighted simple and semi-simple splicing systems. Malaysian Journal of Fundamental and Applied Sciences, 10(4), 2014, 201–206. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
*MyAis, Google Scholar* - Languages of Watson-Crick Petri Nets. Jurnal Teknologi (Sciences & Engineering), 70(5), 2014, 97–101 (with N. Mohamad Jan, W.H. Fong, N.H. Sarmin)
*WoS Emerging Sources Citation Index*,*SCOPUS, etc.* - Some Properties of Probabilistic One-Sided Sticker Systems. Advances in Environmental Biology, 8(3), 2014, 717–724. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
*SCOPUS, etc.* - Some Properties and Variants of Weighted Sticker Systems. International Journal of Applied Mathematics and Statistics 45(15), 2013, 367–375. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
*Mathematical Reviews, MathSciNet, Zentralblatt MATH, SCOPUS, etc.* - Probabilistic Semi-Simple Splicing System and Its Characteristics. Jurnal Teknologi 62(3), 2013, 21–26. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
*WoS Emerging Sources Citation Index, SCOPUS, etc.* - Probabilistic Sticker Systems. Malaysian Journal of Fundamental and Applied Sciences 9(3), 2013, 150–155. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
*MyAis, Google Scholar* - Permutation Groups in Automata Diagrams. Malaysian Journal of Fundamental and Applied Sciences 9(1), 2013, 35–40. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
*MyAis, Google Scholar* - Sticker Systems over Permutation Groups. World Applied Sciences Journal, 21, 2013, 119–126. (with N.A. Mohd Sebry, N.H. Sarmin, W.H. Fong)
*SCOPUS, etc.* - Sticker Systems over Monoids. Malaysian Journal of Fundamental and Applied Sciences, 8(3), 2012, 127–132. (with Sebry, N.A.M., Hamzah, N.Z.A., Sarmin, N.H., Fong, W.H.)
*MyAis, Google Scholar* - Sticker Systems Over Monoids. Malaysian Journal of Fundamental and Applied Sciences, Vol 8, No 3 (2012) 127–132 (with Sebry, N.A.M., Hamzah, N.Z.A., Sarmin, N.H., Fong, W.H.)
- Splicing Systems Over Permutation Groups of Length Two. Malaysian Journal of Fundamental and Applied Sciences, Vol 8, No 2 (2012) 83–88 (with Sebry, N.A.M., Hamzah, N.Z.A., Sarmin, N.H., Fong, W.H.)
- Geometrical Representation of Automata Over Some Abelian Groups. Malaysian Journal of Fundamental and Applied Sciences, Vol 8, No 1 (2012) 24-30 (with Gan, Y.S., Fong, W.H., Sarmin, N.H.)
- On the Security of Golden Cryptosystems. International Journal of Contemporary Mathematical Sciences, 7(7), 2012, 327–335. (with M. Tahghighi, R. Mahmod)
*Mathematical Reviews (USA), Current Mathematical Publications (USA), Zentralblatt für Mathematik (Germany), etc.* - Descriptional Complexity Of Lindenmayer Systems. Applied Mathematics and Computational Intelligence, 1, 2012, pp. 12-23. ( with G. Mavlankulov, M. Othman, M.H. Selamat)
- Parsing Algorithms for Regulated Grammars. International Journal of Mathematical Models and Methods in Applied Sciences, 6(6), 2012, pp. 748-756. (with A. Krassovitskiy, M. Othman, M.H. Selamat)
- Language Classes Generated by Tree Controlled Grammars with Bounded Nonterminal Complexity. Theoretical Computer Science, 449(2012) 134-144 (with J. Dassow, F. Manea, M.H. Selamat)
*ISI,***IF: 0.698**, SCOPUS, etc. - Nonterminal complexity of tree controlled grammars generating context-free languages. Journal of Automata, Languages and Combinatorics, 16(1), 2011, 55–63. (with M. Othman, M.H. Selamat)
*DBLP, ACM* - Nonterminal Complexity of Tree Controlled Grammars. Journal of Theoretical Computer Science 412, 2011, 5789–5795. (with J.Dassow, M.H. Selamat)
*ISI,***IF: 0.698**, SCOPUS, etc. - On the Security of Generalized Golden Cryptography. International Proceedings of Computer Science and Information Technology, Vol. 13, 2011, pp. 5–9. (with M. Tahghighi, R. Mahmod, A. Jaafar, M. Md. Said)
*CNKI, EBSCO, WorldCat, Google Scholar, Engineering Technology Digital Library* - Software Quality Evaluation: User’s View. International Journal of Applied Mathematics and Informatics, Issue 1, Volume 5, 2011, pp. 200–207. (with A.B. Al-Badareen, Z. Muda, M.A. Jabar, J. Din)
- Reusable Software Components Life Cycle. International Journal of Computers, Issue 1, Volume 5, 2011, pp. 183–190. (with A.B. Al-Badareen, Z. Muda, M.A. Jabar, J. Din)
*ACM* - The Impact of Software Quality on Maintenance Process. International Journal of Computers, Issue 1, Volume 5, 2011, 191–199. (with A.B. Al-Badareen, Z. Muda, M.A. Jabar, J. Din)
*ACM* - Capacity bounded grammars. Journal of Automata, Languages and Combinatorics 15, 1/2, 2010, pp. 175–194. (with R. Stiebe)
*DBLP, ACM* - Grammars controlled by Petri nets with inhibitor arcs. Journal of Fundamental Science, 6(2), 2010, pp. 11–16. (with M.H. Selamat)
*MyAis, Google Scholar* - Petri net controlled grammars with a bounded number of additional places. Journal of Acta Cybernetica, 19, 2010, pp. 609–634. (with J. Dassow)
*SCOPUS, DBLP, Mathematical Reviews, Computing Reviews, Zentralblatt für Mathematics* - Petri net controlled grammars: the case of special Petri nets. Journal of Universal Computer Science, 15(14), 2009, pp. 2808–2835. (with J. Dassow.)
*ISI,***IF: 0.696**, SCOPUS - Capacity bounded grammars and Petri nets. Electronic Proceedings of Theoretical Computer Science 3, 2009, pp. 193–203. (with R. Stiebe)
*DBLP* - Petri net controlled grammars: the power of labeling and final markings. Romanian Journal of Information Science and Technology 12(2), 2009, pp. 191–207. (with J. Dassow.)
*ISI,***IF: 0.422** - The measure of asymmetry of the graph of a convex polytope. Uzbek Mathematical Journal 4, Tashkent, Uzbekistan, 1999, pp. 68–77.
- The measure of asymmetry of a convex 3-polytope. Reports of Academy of Science of Uzbekistan 5, Tashkent, Uzbekistan, 1998, pp. 5–8. (with A. Pulatov)

##
**Book Chapters**

- The Computational Power of Watson-Crick Grammars: Revisited. Bio-inspired Computing - Theories and Applications. Communications in Computer and Information Science, 681, 2016, pp. 215-225. (with N.L.M. Zulkufli, M. I.M. Tamrin, A. Messikh)
*Thomson ISI Proceedings, SCOPUS, ACM, etc.* - Dynamics Classifications of Extreme Doubly Stochastic Quadratic Operators on 2D Simplex. In: H.A. Sulaiman, M.A. Othman, M.F.I. Othman, Y. Abd Rahim, N.C. Pee (Eds.), Advanced Computer and Communication Engineering Technology, LNEE 362, Springer International Publishing, 2016, 323–335. (with R. Abdulghafor, F. Shahidi, A. Zeki)
*Thomson ISI Proceedings, SCOPUS, ACM, etc.* - Fuzzy Splicing Systems. In: D. Hwang et al. (Eds.), ICCCI 2014, Lecture Notes in Artificial Intelligence, 8733, Springer International Publishing Switzerland, 2014, 20–29. (with F. Karimi, N.H. Sarmin, W.H. Fong)
*Thomson ISI Proceedings, SCOPUS, ACM, etc.* - Weighted Splicing Systems. In: W.H. Fong, Y. Yaacob (Eds.) Recent Advances in DNA Splicing System, Universiti Teknologi Malaysia, 2014, 27–42. (with Y.S. Gan, W.H. Fong)
- Probabilistic splicing systems. In: W.H. Fong, Y. Yaacob (Eds.) Recent Advances in DNA Splicing System, Universiti Teknologi Malaysia, 2014, 15–26. (with M. Selvarajoo, W.H. Fong)
- Nonterminal complexity of weakly conditional grammars. In: N.T. Nguyen et al. (Eds.), ACIIDS 2014, Part I, Lecture Notes in Artificial Intelligence, 8397, Springer International Publishing Switzerland, 2014, 53–62. (with M.I. Mohd Tamrin, N. Salleh)
*Thomson ISI Proceedings, SCOPUS, ACM, etc.* - Some Properties of the Concurrent Grammars. In: A. Kilicman, et al. (Eds.), ICMSS – 2013, Selected Papers, Springer Science + Business Media Singapore, 2014, 223–231. (with G. Mavlankulov, M. Othman, M.H. Selamat)
*Thomson ISI Proceedings, SCOPUS, ACM, etc.* - Concurrent Context-free Grammars. In: H. Tutut, D.M. Mat, A. Jemal (Eds.), DaEng-2013, Lecture Notes in Electrical Engineering, 285, Springer-Verlag, Berlin, 2014, 521–528. (with G. Mavlankulov, M. Othman, M.H. Selamat)
*Thomson ISI Proceedings, SCOPUS, ACM, etc.* - Probabilistic Splicing Systems. In: N.T. Nguyen, B. Trawinski, R. Katarzyniak, G.-S. Jo (eds.) Advanced Methods for Computational Collective Intelligence, Volume 457, Springer, 2013, 259–268 (with M. Selvarajoo, M.H. Selamat, N.H. Sarmin, W.H. Fong)
- Weighted Splicing Systems. In: Z. Li, X. Li, Y. Liu, Z. Cai (eds.) Computational Intelligence and Intelligent Systems, Springer, 2012, 416–424 (with Y. S. Gan, M. Othman, N. H. Sarmin, W. H. Fong
- Grammars and Systems Controlled by Petri Nets, In: P. Pawlewski (ed.) Petri nets, INTECH, 2012 (accepted, with G. Mavlankulov, M. Othman, M.H. Selamat)
- Language Classes Generated by Tree Controlled Grammars with Bounded Nonterminal Complexity. In: M. Holzer, M. Kutrib and G. Pighizzini (eds.), Descriptional Complexity of Formal Systems, LNCS 6808, Springer, Heidelberg, 2011, 289–300. (to appear, with J. Dassow, M.H. Selamat)
*Thomson ISI Proceedings, SCOPUS, DBLP, ACM, INSPEC, etc.* - An Evaluation Model for Software Reuse Processes. Communications in Computer and Information Science, 1, Vol. 181, Software Engineering and Computer Systems, Part 5, Springer, 2011, 586–599. (with A.B. Al-Badareen, Z. Muda, M.A. Jabar, J. Din)
*Thomson ISI Proceedings, SCOPUS, DBLP, ACM, INSPEC, etc.* - Software Quality Models: A Comparative Study. Communications in Computer and Information Science, 1, Vol. 179, Software Engineering and Computer Systems, Part 1, Springer, 2011, 46–55. (with A.B. Al- Badareen, Z. Muda, M.A. Jabar, J. Din)
*Thomson ISI Proceedings, SCOPUS, DBLP, ACM, INSPEC, etc.* - P/T Petri net controlled grammars. In: M.Dolores Jimenez-Lopez, Gemma Bel-Enguix (eds.), Bio-InspiredModels for Natural and Formal Languages. Cambridge Scholars Publishing, UK, 2011, 223–238. (with J. Dassow)
- Grammars controlled by special Petri nets. In: CarlosMartin-Vide, Adrian Horia Dediu, Mihai Ionescu (eds.), Language and Automata Theory and Applications. Third International Conference, LATA 2009. LNCS 5457, Springer, 2009, 326–337. (with J. Dassow)
*Thomson ISI Proceedings, SCOPUS, DBLP, ACM, INSPEC, etc.* - k-Petri net controlled grammars. In: Carlos Martin-Vide, Friedrich Otto, Henning Fernau (eds.), Language and Automata Theory and Applications. Second International Conference, LATA 2008. Revised Papers. LNCS 5196, Springer, 2008, 209–220. (with J. Dassow)
*Thomson ISI Proceedings, SCOPUS, DBLP, ACM, INSPEC, etc.*

##
**Conference Papers**

- On Bonded Sequential and Parallel Insertion Systems. In: H. Bordihn, R. Freund, B. Nagy, and G. Vaszil (eds.), 8th Workshop on Non-Classical Models of Automata and Applications, NCMA 2016, August 29-30, 2016, Debrecen, Hungary, pp. 163-178, ISBN 978-3-903035-10-2. (with W.H. Fong, M. Holzer, B. Truthe, A.F. Yosman)
- Computed Parallel Insertion. In: Proceedings of 6th International Graduate Conference on Engineering, Science & Humanities (IGCESH 2016), 15-17 August, 2016, UTM, Johor Baru, Malaysia, pp. 418-420 (with A.F. Yosman, M. Holzer, B. Truthe, W.H. Fong)
- Structural Subclass of Place-Labelled Petri Net Controlled Grammars: State Machine. In: Proceedings of 6th International Graduate Conference on Engineering, Science \& Humanities (IGCESH 2016), 15-17 August, 2016, UTM, Johor Baru, Malaysia, pp. 430-432 (with N.M. Jan, W.H. Fong, N.H. Sarmin)
- A Novel Stream Cipher Based on Nondeterministic Finite Automata. Information Technologies in Science, Management, Social Sphere and Medicine (ITSMSSM 2016), 23-26 May, 2016, Tomsk, Russia, Atlantis Press, 2016, pp. 110-191. (with G. Khaleel, T. Zhukabayeva)
- Computational Properties of Watson-Crick Context-free Grammars. In: Proceedings of International Conference on Advanced Computer Science Applications and Technologies - ACSAT 2015, pp. 186-191. (with L. Zulkufli, M.I.M. Tamrin, I.F. Al-Shaikhli)
*IEEE, SCOPUS* - The Extreme Doubly Stochastic Quadratic Operators on Two Dimensional Simplex. In: Proceedings of International Conference on Advanced Computer Science Applications and Technologies - ACSAT 2015, pp. 192-197. (with R. Abdulghafor, F. Shahidi, A. Zeki)
- A New Variant of Deletion in Languages: Computed Sequential Deletion. The Asian Mathematical Conference 2016 - AMC 2016. (with A.F. Yosman, W.H. Fong, N.H. Sarmin)
- A performance improvement of Dömösi’s cryptosystem. AIP Conference Proceedings 1705, 2016, pp. 020007 (with Gh. Khaleel, M. I. Mohd Tamrin, I. F. Al-Shaikhli)
*Thomson ISI Proceedings, SCOPUS, etc.* - The Convergence Consensus of Multi-agent Systems Controlled via Doubly
Stochastic Quadratic Operators. 2015 International Symposium on Agents, Multi-agent Systems and Robotics (ISAMSR)19 August 2015, Kuala Lumpur, Malaysia, pp. 59–60.with R. Abdulghafor, F. Shahidi, A. Zeki)
*IEEE, SCOPUS, etc.* - Closure Properties of Watson-Crick Grammars. The 2nd Innovation and Analytics Conference Exhibition, AIP Conference Proceedings 1691, 29 September – 1 October 2015, Kedah, Malaysia, pp. 040032 (with N.L.M. Zulkufli, M.I. Mohd Tamrin, M. Azeddine)
*Thomson ISI Proceedings, SCOPUS, etc.* - Directed Graph in Finite Automata over Finite Groups. In: Proceeding of International Workshop on Graph Algorithms, Penang, Malaysia, 13 May, 2015, pp. 207–213. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
- Parallel firing strategy on Petri nets: A review. AIP Conference Proceedings 1660, 2015, pp. 050080. (with G. Mavlankulov, L. Zhumabaeva, T. Zhukabayeva)
*Thomson ISI Proceedings, SCOPUS, etc.* - A new variant of Petri net controlled grammars. AIP Conference Proceedings 1682, 2015, pp. 040015. (with N.M. Jan, W.H. Fong, N.H. Sarmin)
*Thomson ISI Proceedings, SCOPUS, etc.* - The Properties of Probabilistic Simple Regular Sticker Systems. AIP Conference Proceedings 1682, 2015, pp. 020047. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
*Thomson ISI Proceedings, SCOPUS, etc.* - Some Characteristics on the Generative Power of Weighted One-Sided Splicing Systems. AIP Conference Proceedings 1682, 2015, pp. 020044. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
- Structural Properties of Place-Labeled Petri Net Controlled Grammars. The 3rd International Conference on Computer Engineering and Mathematical Sciences (ICCEMS 2014), 4–5 December 2014, Langkawi, Malaysia, pp. 776–781. (with N.M. Jan, W.H. Fong, N.H. Sarmin)
- The Generative Capacity of Sticker Systems with Weights. The 3rd International Conference on Computer Engineering and Mathematical Sciences (ICCEMS 2014), 4–5 December 2014, Langkawi, Malaysia, pp. 675–680. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
- Variants of Weighted Sticker Systems with Different Weighting Spaces. The 3rd International Conference on Computer Engineering and Mathematical Sciences (ICCEMS 2014), 4–5 December 2014, Langkawi, Malaysia, pp. 129–136. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
- Weighted One-Sided Splicing Systems. Proceeding of the 2nd International Science Postgraduate Conference 2014 (ISPC 2014), UTM, 10–12 March, 2014, pp. 754–765. (with Y.S. Gan, W.H. Fong, N.H. Sarmin)
- Probabilistic Regular Sticker System and Its Properties. Proceeding of the 2nd International Science Postgraduate Conference 2014 (ISPC 2014), UTM, 10–12 March, 2014, pp. 882–894. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
- Reverse Watson-Crick Petri Nets. Proceeding of the 2nd International Science Postgraduate Conference 2014 (ISPC 2014), UTM, 10–12 March, 2014, pp. 954–961. (with N.M. Jan, W.H. Fong, N.H. Sarmin)
- Weighted Watson-Crick Automata. AIP Conference Proceedings 1605, 2014, pp. 302–306. (with M.I. Mohd Tamrin, T.M. Tengku Sembok)
*Thomson ISI Proceedings, SCOPUS, etc.* - Watson-Crick Petri net languages: The effect of labeling strategies. AIP Conference Proceedings 1605, 2014, pp. 690–695. (with N.M. Jan, W.H. Fong, N.H. Sarmin)
*Thomson ISI Proceedings, SCOPUS, etc.* - Probabilistic Simple Splicing Systems. AIP Conference Proceedings 1602, 2014, pp. 760–766. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
*Thomson ISI Proceedings, SCOPUS, etc.* - Watson-Crick Petri net languages with finite sets of final markings. AIP Conference Proceedings 1602, 2014, pp. 876–880. (with N.M. Jan, N.H. Sarmin, W.H. Fong)
*Thomson ISI Proceedings, SCOPUS, etc.* - The Generative Power of Weighted One-Sided and Regular Sticker Systems. AIP Conference Proceedings 1602, 2014, pp. 855–862. (with Y.S. Gan, N.H. Sarmin, W.H. Fong)
*Thomson ISI Proceedings, SCOPUS, etc.* - Watson-Crick Petri Nets. The 4th International Graduate Conference on Engineering Science Humanity 2013 (IGCESH–2013), 16-17 April 2013, UTM, Johor Baru, Malaysia, pp. 973–977. (with N.M. Jan, W.H. Fong, N.H. Sarmin)
- Some Properties of Probabilistic One-Sided Sticker Systems. Proceedings of the International Conference on Biotechnology Engineering (ICBioE–2013), 2–4 July, 2013, Kuala Lumpur, Malaysia, pp. 502–506. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
- Some Characteristics of Probabilistic One-Sided Splicing Systems. AIP Conf. Proc. 1522. The 20th National Symposium on Mathematical Sciences, 18–20 December 2012, Putrajaya, Malaysia, pp. 967–975. (with M. Selvarajoo, W.H. Fong, N.H. Sarmin)
*Thomson ISI Proceedings, SCOPUS, etc.* - Automata Representation for Abelian Groups. AIP Conf. Proc. 1522. The 20th National Symposium on Mathematical Sciences, 18–20 December 2012, Putrajaya, Malaysia, pp. 875–882. (with W.H. Fong, Y.S. Gan, N.H. Sarmin)
*Thomson ISI Proceedings, SCOPUS, etc.* - Weighted Sticker Systems. International Science Postgraduate Conference 2012 (ISPC–2012), November 27–30, Johor, Malaysia, pp. 48–56. (with Y.S. Gan, N.H. Sarmin, W.H. Fong)
- Some Properties of Probabilistic Semi-splicing Systems. International Science Postgraduate Conference 2012 (ISPC – 2012), November 27–30, Johor, Malaysia, pp. 329–344. (with S. Mathuri, N.H. Sarmin, W.H. Fong)
- Sticker Systems Over Permutation Groups. In: Proceedings of the 2nd Regional Conference on Applied and Engineering Mathematics 2012, RCAEM-II 2012, May 30-31, Penang, Malaysia, pp. 37–43. (with N.A. Sebry, N.H. Sarmin, W.H. Fong)
- A Variant of Valence Splicing Systems: Weighted Splicing Systems. In: Proceedings of the 2nd Regional Conference on Applied and Engineering Mathematics 2012, RCAEM-II 2012, May 30-31, Penang, Malaysia, pp. 150–153. (with G. Mavlankulov, M. Othman, M.H. Selamat, N.H. Sarmin, W.H. Fong)
- Descriptional Complexity Of Lindenmayer Systems. In: Proceedings of the 2nd Regional Conference on Applied and Engineering Mathematics 2012, RCAEM-II 2012, May 30–-31, Penang, Malaysia, 143–149. (with G. Mavlankulov, M. Othman, M.H. Selamat)
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*IEEE Xplore database, SCOPUS, etc.* - An Evaluation Framework for Software Project Initiation. In: A. Zaharim, K. Sopian, N. Mostorakis, V. Mladenov (eds.), Recent Researches in Power Systems and Systems Science. The 11th WSEAS International Conference on APPLIED COMPUTER SCIENCE, Penang, Malaysia, October 3-5, 2011, pp. 219-222. (with A.B. Al-Badareen, Z. Muda, M.A. Jabar, J. Din)
*IEEE Xplore database, SCOPUS, etc.* - Sticker Systems with Groups. International Conference on Enabling Science and Nanotechnology 2012 (ESciNano 2012), 5-7 January 2012, Persada Johor International Convention Center, Johor Bahru, Malaysia (with M. Othman, N.H. Sarmin, M.H. Selamat)
- The Cryptanalysis and Extension of the Generalized Golden Cryptography. In: The IEEE Conference on Open Systems 2011, pp. 65-68, Langkawi, Malaysia, September 25-28, 2011. (with M. Tahghighi, R. Mahmod, J. Azmi, M. Md. Said)
*IEEE Xplore database, SCOPUS*> - Language Classes Generated by Tree Controlled Grammars with Bounded Nonterminal Complexity. The 13th of International Workshop on Descriptional Complexity of Formal Systems – DCFS 2011, Vicinity of Giessen, Germany, July 25 - 27, 2011. (with J. Dassow, M.H. Selamat)
- On the Security of Generalized Golden Cryptography. In: The Second International Conference on Future Technology - ICFIT 2011, Singapore, September 16-18, 2011. (with M. Tahghighi, R. Mahmod, A. Jaafar, M. Md. Said)
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*Thomson ISI Proceedings, SCOPUS, DBLP, ACM, INSPEC, etc.* - Software Quality Models: A Comparative Study. The Second International Conference on Software Engineering and Computer Systems - ICSECS 2011, Pahang, Kuantan,Malaysia. (with A.B. Al-Badareen, Z. Muda, M.A. Jabar, J. Din)
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*ASME Digital Library, EI Compendex, Thomson ISI Proceedings* - Grammars controlled by Petri nets with inhibitor arcs. In: Regional Annual Fundamental Science Symposium 2010, Kuala Lumpur, Malaysia, June 8–9, 2010. (with M.H. Selamat)
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