Ismail, Muammar Mukhsin, Mas Fawzi Mohd Ali, Abd Fathul Hakim Zulkifli, and Shahrul Azmir Osman. “CNG-Diesel Dual Fuel Controlling Concept for Common Rail Diesel”. International Journal of Integrated Engineering 10, no. 3 (July 8, 2018). Accessed July 7, 2022. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/2091.