MOHAMMED, Ehsan B.A. et al. Utilization of Used Vegetable Oil as a Biodiesel Fuel. Gezira Journal of Engineering and Applied Sciences, [S.l.], v. 7, n. 1, p. 99-108, nov. 2020. ISSN 1858-5698. Available at: <http://37.60.236.48/index.php/gjeas/article/view/1609>. Date accessed: 03 june 2026.