A. Aljaberi, Hassan, A. Aziz Hairuddin, and Nuraini Abdul Aziz. “The Use of Different Types of Piston in an HCCI Engine: A Review”. International Journal of Automotive and Mechanical Engineering 14, no. 2 (December 9, 2022): 4348–4268. Accessed July 23, 2024. https://journal.ump.edu.my/ijame/article/view/8381.