Ma’arof, Muhammad Izzat Nor, Rishan Murali, Lim Jin Wei, Mohd Amir Shazwan Hashim, Girma Tadesse Chala, and Chai Chuan Ern. “The Short Review on Factors That Impact the Backpressure of Exhaust Manifold of Spark Ignition Engine”. INTI Journal 2019 (November 18, 2019). Accessed December 4, 2024. https://iuojs.intimal.edu.my/index.php/intijournal/article/view/285.