Simpen, Nengah, IN. Suprapta Winaya, ID.G. Ary Subagia, & IW. Budiarsa Suyasa.
" Solid Catalyst in Esterification and Transesterification Reactions for  Biodiesel Production: A Review." <em>International Journal of Engineering and Emerging Technology</em> [Online], 5.2 (2020): 168-174. Web. 27 Apr. 2024