Desri Rahmi, Ira, and Neswati Neswati. “The Influence of Molar Ratio of Methanol to PFAD and Esterification Reaction Time towards Biodiesel Characteristics Palm Fatty Acids Distillate Produced”. International Journal on Advanced Science, Engineering and Information Technology 3, no. 5 (October 11, 2013): 338–342. Accessed June 2, 2024. http://ijaseit.insightsociety.org/index.php/ijaseit/article/view/339.