Katijan A, Kamardin AH. The Effect of Compression Ratio by Different Piston Head Shape on the Performance of Motorcycle Engine. Int. J. Automot. Mech. Eng. [Internet]. 2019 Oct. 3 [cited 2024 Nov. 21];16(3):6906-17. Available from: https://journal.ump.edu.my/ijame/article/view/413