Hazra, Fahrizal, and Irfan Septiawan. “Pemurnian Gliserol Dari Hasil Samping Produksi Biodiesel Minyak Kelapa Sawit (Purification of Glycerol from the By-Product of Palm Oil Biodiesel Production)”. Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian 4, no. 1 (June 4, 2014): 53–58. Accessed January 18, 2026. https://journal.ipb.ac.id/jstsv/article/view/28966.