Sabarman, J.S., E.H. Legowo, D.I. Widiputri, and A.R. Siregar. “Bioavtur Synthesis from Palm Fatty Acid Distillate through Hydrotreating and Hydrocracking Processes”. Indonesian Journal of Energy 2, no. 2 (August 30, 2019): 99–110. Accessed September 19, 2025. https://www.ije-pyc.org/IJE/article/view/40.