1.
Badrulhisam NH, Nessiem Ehab Frere, Ismail MY, Abdullah AA, W Sawangsri. Effect of B30 Palm Oil Methyl Ester Biodiesel with Isobutanol Fuel Additive on Engine Performance of a Diesel Engine. IJIE. 2024;16(2):363-372. Accessed April 7, 2026. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/17404