Pemanfaatan Karbon Aktif Ampas Tebu dalam Mereduksi Asam Lemak Bebas (Free Fatty Acid) untuk Pemurnian Minyak Jelantah sebagai Biodiesel: Utilization of Sugar Cane Activated Carbon in Reducing Free Fatty Acid for Purification of Used Oil as Biodiesel. Talenta Conference Series: Science and Technology (ST), [S. l.], v. 2, n. 1, p. 293–296, 2019. DOI: 10.32734/st.v2i1.361. Disponível em: https://talentaconfseries.usu.ac.id/index.php/st/article/view/361. Acesso em: 1 may. 2026.