“CATALYTIC CRACKING OF USED COOKING OIL (UCO) INTO BIOFUEL USING ZINC OXIDE, ALUMINUM OXIDE AND ZIRCONIUM OXIDE CATALYSTS”, RMSR, vol. 2, no. 3, pp. 1467–1475, Dec. 2024, Accessed: Jul. 04, 2025. [Online]. Available: http://www.thermsr.com/index.php/Journal/article/view/254