Production optimization and tribological characteristics of cottonseed oil methyl ester by Jamshaid, Muhammad, Masjuki, Haji Hassan, Kalam, Md. Abul, Zulkifli, Nurin Wahidah Mohd, Arslan, Ahmed, Alwi, Azham, Khuong, Leang So, Alabdulkarem, Abdullah, Syahir, A.Z.

Comparative assessment of ethanol and isobutanol addition in gasoline on engine performance and exhaust emissions by Yusoff, Mohd Nur Ashraf Mohd, Zulkifli, Nurin Wahidah Mohd, Masjuki, Haji Hassan, Harith, M.H., Syahir, A.Z., Khuong, L.S., Zaharin, Muhammad Syarifuddin Mohamed, Alabdulkarem, Abdullah

Tribological Improvement Using Ionic Liquids as Additives in Synthetic and Bio-Based Lubricants for Steel–Steel Contacts by Syahir, A.Z., Zulkifli, Nurin Wahidah Mohd, Masjuki, Haji Hassan, Kalam, Md. Abul, Harith, M.H., Yusoff, M.N.A.M., Zulfattah, Z.M., Jamshaid, Muhammad

Performance and emission characteristics of a spark ignition engine fuelled with butanol isomer-gasoline blends by Yusoff, M.N.A.M., Zulkifli, Nurin Wahidah Mohd, Masjuki, Haji Hassan, Harith, M.H., Syahir, A.Z., Kalam, Md. Abul, Mansor, M.F., Azham, A., Khuong, L.S.

Effect of bio-based lubricant towards emissions and engine breakdown due to spark plug fouling in a two-stroke engine by Zulfattah, Z.M., Zulkifli, Nurin Wahidah Mohd, Masjuki, Haji Hassan, Harith, M.H., Syahir, A.Z., Norain, I., Jumaidin, Ridhwan, Yusoff, M.N.A.M., Alwi, Azham, Jamshaid, Muhammad, Arslan, Ahmed