Amare Zeru, B. A. Z., V. A. Ramayya, and H. A. Holm Altenbach. “Modeling Of SI Engine Modification for Higher Ethanol Blended Gasoline Engine Applications: Part I - Parametric Study Using Port Flow Simulation”. Ethiopian Journal of Applied Science and Technology, June 2023, pp. 42 -50, https://journals.ju.edu.et/index.php/ejast/article/view/4546.