RAIHAN, Ananda Braga; PURWANTO, Heri. Production of Bioethanol from Oil Palm Stumps with Varying Levels of Ammonium Sulfate ((NH₄)₂SO₄) Added through a Fermentation Process Using Tape Yeast. RESWARA: Jurnal Riset Ilmu Teknik, [S. l.], v. 4, n. 3, p. 493–501, 2026. DOI: 10.70716/reswara.v4i3.658. Disponível em: https://journal.kalibra.or.id/index.php/reswara/article/view/658. Acesso em: 22 oct. 2026.