Saliha Mohammed Belkebir, Benyoucef Khelidj, and Miloud Tahar Abbes. 2024. “Study of the Combustion Process of a Homogeneous Charge Compression Ignition (HCCI) Engine and a Partially Premixed Combustion (PPC) Mode of a Compression Ignition Engine Using Natural Gas As an Alternative Fuel”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 84 (2):98-115. https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/7943.