“SYNTHESIS OF BIODIESEL FROM GMELINA ARBOREA DEAD LEAVES WITH CALCIUM OXIDE CATALYST”, FJS, vol. 4, no. 1, pp. 498–501, Apr. 2020, Accessed: Sep. 11, 2025. [Online]. Available: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/73