Haweel, M., T. E. H. H. Hussan, M. Mahjoub, and Y. O. Othman. “Piston Bowl Geometry Optimization for Enhanced Internal Combustion Engine Performance and Emission Reduction: A Comprehensive Review”. ـJournal of Engineering Research and Applied Science, vol. 11, no. 1, Aug. 2026, pp. 40-52, https://ceh.edu.ly/JERAS/index.php/j/article/view/120.