Qadariyah, Lailatul, Sahiba Sahila, and Mahfud Mahfud. 2021. “The Effect of Reaction Time and Temperature on the Synthesis of Methyl Ester Sulfonate Surfactant from Palm Oil As a Feedstock Using Microwave-Assisted Heating”. ASEAN Journal of Chemical Engineering 20 (2), 104-12. https://jurnal.ugm.ac.id/v3/AJChE/article/view/9170.