Muhamad Sabri, S. M., S. Yahya, F. H. Razali, and F. W. Harun. “Modification of Montmorillonite K10 With Al3+ and Its Potential in Biodiesel Production”. Malaysian Journal of Science Health & Technology, vol. 4, no. Special Issue, Nov. 2019, doi:10.33102/mjosht.v4iSpecial Issue.73.