Pemanfaatan Limbah Oli Bekas Menjadi Bahan Bakar High Speed Diesel (HSD). JST (Jurnal Sains Terapan), [S. l.], v. 7, n. 1, p. 57–62, 2021. DOI: 10.32487/jst.v7i1.1121. Disponível em: http://jurnal.poltekba.ac.id/index.php/jst/article/view/1121. Acesso em: 9 nov. 2026.