M. A. Sedeeq, Arkan, Adil Abdulah, and Firas S. Al-khayatt. “Evaluating and Comparing of a Diesel Engine Performance and Its Pollutants Operating on Blends of Sunflower and Soybean Biodiesel Fuel”. Al-Rafidain Engineering Journal (AREJ) 20, no. 1 (February 28, 2012): 1–9. Accessed September 8, 2025. https://jamh.uomosul.edu.iq/index.php/arej/article/view/31035.