MANALU, Hendro S; SITUMORANG, Rappel. ANALISIS KALOR BAKAR DAN VOLUME ETANOL HASIL FERMENTASI NIRA AREN DENGAN VARIASI FERMENTOR. EINSTEIN (e-Journal), [S. l.], v. 8, n. 3, p. 6–12, 2023. DOI: 10.24114/einstein.v9i1.23549. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/23549. Acesso em: 12 oct. 2025.