A.A., Mohd Hisham, Ngadiman N.H.A., and Abas A. “Optimization Design Parameters of Intake Manifold for Natural Aspirated Engine”. Jurnal Mekanikal, no. 43 (October 11, 2020). Accessed May 8, 2024. https://jurnalmekanikal.utm.my/index.php/jurnalmekanikal/article/view/400.