Wan Abdullah, Wan Nazwanie, Rusmidah Ali, and Wan Azelee Wan Abu Bakar. “Effect of Calcium and Iron over MoO3-PO4 Al2O3 Catalyst in Oxidative Desulfurization of Malaysian Diesel”. Malaysian Journal of Catalysis 2, no. 1 (February 24, 2017). Accessed May 8, 2024. https://mjcat.utm.my/index.php/MalJCat/article/view/21.