A. A. Alrubaiy, R. M. . Aljuhashy, and B. A. . Al-Bakri, “Experimental Investigation of Diesel-WCOB Engine Performance with A Small Proportion of Ethanol/Isobutanol as A Fuel Additive”, IJIE, vol. 15, no. 7, pp. 82–88, Dec. 2023, Accessed: Apr. 08, 2026. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/14520