Javad Zareei, Abbas Rohani, Wan Mohd Faizal Bin Wan Mahmood, Shahrir Abdullah.  (2020).  Effect of ignition timing and hydrogen fraction in natural gas blend on performance and exhaust emissions in a DI engine.  - Iranian Journal of Science and Technology, Transactions of Mechanical Engineering.  737-747. 

Fadzli Ibrahim, Wan Mohd Faizal Wan Mahmood, Shahrir Abdullah, Mohd Radzi Abu Mansor.  (2019).  Study on soot mass fraction and size distribution in a direct injection diesel engine using particulate size mimic soot model.  - Journal of Thermal Science and Engineering Applications.  . 

Hilmi Amiruddin, Wan Mohd Faizal Wan Mahmood, Shahrir Abdullah, Mohd Radzi Abu Mansor, Rizalman Mamat, Azri Alias.  (2017).  Application of Taguchi method in optimization of design parameter for turbocharger vaned diffuser.  - Industrial Lubrication and Tribology.  409-413. 

Saad Aljamali, Shahrir Abdullah, Wan Mohd Faizal Wan Mahmood, Yusoff Ali.  (2016).  The Effect of Injection Timings on Performance and Emissions of Compressed Natural-Gas Direct Injection Engine.  - Journal of Combustion.  1-7. 

Aripin M.A., Sajuri Z., Abdullah S., Omar M.Z., Zamri W.F.H., Jamil W.N.M., Abdullah M.F..  (2016).  Microscale groove effect on shear strength of epoxy-bonded dissimilar metal plate.  - Journal of Adhesion Science and Technology.  2001-2012. 

L. H. Jawad, S. Abdullah, R. Zulkifli, W. M. F. W. Mahmood.  (2014).  Numerical Study on the Effect of Interaction Vaned Diffuser with Impeller on the Performance of a Modified Centrifugal Compressor.  - Journal of Mechanics.  30(2): 113-122. 

Hyder H. Balla, Shahrir Abdullah, Wan Mohd Faizal Wan Mahmood, M. Abdul Razzaq, Rozli Zulkifli, Kamaruzaman Sopian.  (2013).  Modelling and measuring the thermal conductivity of multi-metallic Zn/Cu nanofluid.  - Research on Chemical Intermediates.  39(6):2801-2815. 

Hyder H. Balla, Shahrir Abdullah, Emad A. Jaffar Al-Mulla, Wan Mohd Faizal Wan Mahmood, Rozli Zulkifli, Kamaruzaman Sopian.  (2013).  Effect of Reynolds number on heat transfer and flow for multi-oxide nanofluids using numerical simulation.  - Research on Chemical Intermediates.  39(5):2197-2210. 

Mohammad H. Yazdi, Shahrir Abdullah, Ishak Hashim and Kamaruzzaman Sopian.  (2011).  Effects of Viscous Dissipation on the Slip MHD Flow and Heat Transfer past a Permeable Surface with Convective Boundary Conditions.  - Energies.  4: 2273-2294. 

Y.M. Asri, E.A. Azrulhisham, A.W. Dzuraidah, A. Shahrir, A. Shahrum and Z. Azami.  (2011).  Fatigue Life Reliability Prediction of a Stub Axle using Monte Carlo Simulation.  - International Journal of Automotive Technology.  12(5):713-719. 

S. Abdullah, W.H. Kurniawan, M. Khamas And Y. Ali.  (2011).  Emission Analysis of a Compressed Natural Gas Direct-Injection Engine with a Homogenous Mixture.  - International Journal of Automotive Technology.  12(1): 29-38. 

Mohammad Hosseini Fouladi, Mohd. Jailani Mohd. Nor, Ahmad Kamal Ariffin, Shahrir Abdullah.  (2009).  Inverse Combustion Force Estimation Based on Response Measurements Outside The Combustion Chamber and Signal Processing.  - Mechanical Systems and Signal Processing.  23(8):2519-2537. 

M.A. Kalam, H.H. Masjuki, M. Redzuan, T. I. Mahlia, M. A.Fuad, M. Mohibah, K.H. Halim, A. Ishak, M. Khair, A. Shahrir and A. Yusoff.  (2009).  Development and Test of a New Catalytic Converter for Natural Gas Fuelled Engine.  - Sadhana Academy Proceedings in Engineering Sciences.  34(3):467-481.