Tukiman, M.M. (2018) “Effect of Performance and Exhaust Emission using Liquid Phase LPG Sequential Injection as an Alternative Fuel in Spark Ignition Engine”, International Journal of Integrated Engineering, 10(8). Available at: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/3624 (Accessed: 3 May 2024).