1. Ayodele, B.V., Alsaffar, M.A. and Mustapa, S.I., (2020). An overview of integration opportunities for sustainable bioethanol production from first-and second-generation sugar-based feedstocks. Journal of Cleaner Production, p.118857. doi:10.1016/j.jclepro.2019.118857 (Impact Factor: 6.393) (Published online) 
  2. Alsaffar, M.A., Ayodele, B.V. and Mustapa, S.I., (2020). Scavenging carbon deposition on alumina supported cobalt catalyst during renewable hydrogen-rich syngas production by methane dry reforming using artificial intelligence modeling technique. Journal of Cleaner Production, 247, p.119168. doi:10.1016/j.jclepro.2019.119168 (Impact Factor: 6.393) (Published online) 
  3. Ayodele, B. V., Alsaffar, M. A., Mustapa, S. I., Cheng, C. K., & Witoon, T. (2020). Modeling the Effect of Process Parameters on the Photocatalytic Degradation of Organic Pollutants Using Artificial Neural Networks. Process Safety and Environmental Protection. doi:10.1016/j.psep.2020.07.053 
  4. Alsaffar, M.A., Mageed, A.K., Abdel Ghany, M.A.,Ayodele, B.V., Mustapa, S.I. (2020) Elucidating the non-linear effect of process parameters on hydrogen production by catalytic methane reforming: an artificial intelligence approach. IOP Conf. Series: Materials Science and Engineering991 (2020) doi:10.1088/1757-899X/991/1/012078
  5. Mustapa, S.I., Ayodele, F.O., Ayodele, B.V., Mohammad N., Nexus between Energy Usability, Economic Indicators and Environmental Sustainability in Four ASEAN Countries: A Non-Linear Autoregressive Exogenous Neural Network Modelling Approach. Processes 2020, 8(12), 1529; https://doi.org/10.3390/pr8121529
  6. Ayodele, B.V., Mustapa, S.I., Witoon, T., Kanthasamy, R., Zwawi, M., Owabor, N.O., (2020) Radial Basis Function Neural Network Model Prediction of Thermo-catalytic Carbon Dioxide Oxidative Coupling of Methane to C 2-hydrocarbon, Topics in Catalysis, https://doi.org/10.1007/s11244-020-01401-0
  7. Ayodele, B. V., Abdullah, T. A. R. B. T., Alsaffar, M. A., Mustapa, S. I., & Salleh, S. F. (2019). Recent advances in renewable hydrogen production by thermo-catalytic conversion of biomass-derived glycerol: Overview of prospects and challenges. International Journal of Hydrogen Energy. doi:10.1016/j.ijhydene.2019.08.002 
  8. Alsaffar, M.A., Abdel Ghany, M.A.,Ayodele, B.V., Mustapa, S.I. (2020) Modeling the photocatalytic degradation of 1,2- Dihydroxybenzene using Multilayer Perceptron Neural Networks. IOP Conf. Series: Materials Science and Engineering 870 (2020) 012057 doi:10.1088/1757-899X/870/1/012057
  9. Alsaffar, M. A., Rashid, S. A., Ayodele, B. V., Hamidon, M. N., Yasin, F. M., Ismail, I., Hosseini, S., Babadi, F. E. (2020). Response Surface Optimization of Multilayer Graphene Growth on Alumina-Supported Bimetallic Cobalt–Nickel Substrate. Arabian Journal for Science and Engineering. doi:10.1007/s13369-020-04586-4 
  10. Haiqi, O. A., Nour, A. H., Ayodele, B. V., & Bargaa, R. (2020). Bayesian Regularization-Trained Multi-layer Perceptron Neural Network Predictive Modelling of Phenol Degradation using ZnO/Fe2O3 photocatalyst. Journal of Physics: Conference Series, 1529, 052058. doi:10.1088/1742-6596/1529/5/052058 
  11. Haiqi, O., Nour, A., Bargaa, R., & Ayodele, B. (2020). Effect of Process Parameters on the Photocatalytic Degradation of Phenol in Oilfield Produced Wastewater using ZnO/Fe2O3 Nanocomposites.. Bulletin of Chemical Reaction Engineering & Catalysis, 15(1), 128-136. https://doi.org/10.9767/bcrec.15.1.6068.128-136
  12. Ayodele, B.V., Alsaffar, M.A., Mustapa, S.I., Vo. D.V.N (2020) Backpropagation neural networks modelling of photocatalytic degradation of organic pollutants using TiO2-based photocatalysts. Wiley Online Library. doi 10.1002/jctb.6407
  13. Alsaffar, M. A., Ayodele, B. V., Abdel Ghany, M. A., Yousif Shnain, Z., & Mustapa, S. I. (2020). The prospect and challenges of renewable hydrogen production in Iraq. IOP Conference Series: Materials Science and Engineering, 737, 012197. doi:10.1088/1757-899x/737/1/012197 
  14. Mageed, A. K., Ayodele, B. V., & Mustapa, S. I. (2020). Response Surface Optimization of Hydrogen‐rich Syngas Production by greenhouse gases Reforming. Chemical Engineering & Technology. doi:10.1002/ceat.201900475 
  15. Alsaffar, M. A., Ayodele, B. V., & Mustapa, S. I. (2019). Scavenging carbon deposition on alumina supported cobalt catalyst during renewable hydrogen-rich syngas production by methane dry reforming using artificial intelligence modeling technique. Journal of Cleaner Production, 119168. doi:10.1016/j.jclepro.2019.119168 
  16. Mohd Saad, N., Haniff, M. N., & Ali, N. (2020). Corporate governance mechanisms with conventional bonds and Sukuk’ yield spreads. Pacific Basin Finance Journal, 62. https://doi.org/10.1016/j.pacfin.2019.02.001
  17. Mohd Saad, N., Abdullah, Z,. Yusof, N.Y. M., Husin, N. M., Mohayiddin, A. L., Arshad, M. T. M., (2020) Electricity Tariff Structure Optimization. Sci.Int.(Lahore),31(3),441-445. ISSN 1013-5316
  18. Bakar, A. A., Mustapa, S. I., Mohammad, N. (2020) Environmental Behaviours in the Model Green City of Melaka. Planning Malaysia 18(14), doi: http://dx.doi.org/10.21837/pm.v18i14.839
  19. Bakar, A. A., Mustapa, S. I., Mohammad, N. (2020) External Condition to Eco-Behaviours in Melaka Green City. Planning Malaysia 18(14), doi: http://dx.doi.org/10.21837/pm.v18i14.840
  20. Alzoubi, R. H. M., Jaaffar, A. H. (2020) Leadership Styles, Crisis Management, and Hotel Performance: A conceptual Perspective of the Jordanian Hotel Industry. Journal of Critical Reviews 7(10), doi: 10.31838/jcr.07.10.110
  21. Alrazi, B., Jamil, A., Jaaffar, A. H., Khalid. F., Zainol, Z. (2020) A Preliminary Longitudinal Stakeholder Engagement Analysis of the Largest Power Company in South East Asia. Global Business and Management Research: An International Journal. 13(1).
  22.  Adeneye, Y. B., Jaaffar, A.H., Ooi, C. A., Ooi, S. K. (2020) Nexus between carbon emissions, energy consumption, urbanization and economic growth in Asia: Evidence from Common Correlated Effect Mean Group (CCEMG) Estimator. Frontiers in Energy Research. 8(415). doi: 10.3389/fenrg.2020.610577
  23. Alzoubi, R. H., & Jaaffar, A. H. (2020). The Mediating Effect of Crisis Management on Leadership Styles and Hotel Performance in Jordan. International Journal of Financial Research, 11(4), 384. doi:10.5430/ijfr.v11n4p384 
  24. Jaaffar, A. H. Kaman, Z. K. (2020). Green Supply Chain Management Practices and Environmental Performance: A Study of Employee’s Practices in Malaysia Chemical Related Industry. Journal of Environmental Treatment Techniques. 8(1) pp 125-131. ISSN: 2309-1185