Mohd Zamberi, M. ., F. N. . Ani, and M. F. . Abdollah. “The Application of Calcium Oxide from Waste Cockle for Biodiesel Production from Used Cooking Oil via Microwave Heating System”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 49, no. 2, Dec. 2020, pp. 92-100, https://www.akademiabaru.com/submit/index.php/arfmts/article/view/2291.