Sipayung, R., Amalia, R., Ra’ida Raudhatussya’rifah, Rara Ayu Lestary, Widyastuti, N., Mundarti, S. and Nazarudin 2024. Utilization of Waste Cooking Oil as Biodiesel for Portable Stoves: Comparison of Homogeneous and Heterogeneous Catalysts. JURNAL ILMIAH PENELITIAN MAHASISWA. 3, 1 (Dec. 2024), 451–461. DOI:https://doi.org/10.61722/jipm.v3i`1.734.