“Sintesis Gliserol Ester Berbasis Asam Oleat Sawit Dan Karakteristik Sifat Fisika Kimia”. E-Journal Menara Perkebunan 89, no. 2 (October 29, 2021). Accessed October 22, 2026. http://mp.iribb.org/index.php/mpjurnal/article/view/464.