Yew Heng Teoh, Heoy Geok How, Kok Hwa Yu, Hun Guan Chuah, and Wai Loon Yin. “Influence of Octane Number Rating on Performance, Emission and Combustion Characteristics in Spark Ignition Engine”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 45, no. 1 (May 15, 2018): 22–34. Accessed May 19, 2024. https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/2727.