Hutapea, Henny Parida, and Panji Ahmadi. “Effect of Brix Concentration and PH of Molassses Media on Ethanol Yield in The Fermentation Process at PT. Indo Acidatama. Tbk”. Hydrogen: Jurnal Kependidikan Kimia 12, no. 3 (July 31, 2024): 648–654. Accessed August 18, 2025. https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/11668.