Amany Fahmy, and Nouby M. Ghazaly. “The Scope for Improving the Pollution Impact of the Internal Combustion Engine”. International Journal on Recent Technologies in Mechanical and Electrical Engineering 9, no. 1 (March 31, 2022): 30–39. Accessed May 2, 2024. https://www.ijrmee.org/index.php/ijrmee/article/view/363.