Salleh, M. R. (2018) “Experimental Investigation the RON 95 and RON 97 on the Performance and Emissions”, Politeknik & Kolej Komuniti Journal of Engineering and Technology. Putrajaya, Malaysia, 3(Special Issue), pp. 22–33. Available at: https://app.mypolycc.edu.my/journal/PMJET/article/view/375 (Accessed: 8 September 2025).