Tambunan, Armansyah Halomoan, . Furqon, . Joelianingsih, Tetsuya Araki, and Hiroshi Nabetani. “Analisis Rasio Energi Daur Ulang Panas Pada Produksi Biodiesel Secara Non-Katalitik”. Jurnal Ilmu Pertanian Indonesia 17, no. 2 (August 23, 2014): 70–76. Accessed December 24, 2025. https://journal.ipb.ac.id/JIPI/article/view/8315.