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, vol. 12, no. 3, July 2024, pp. 648-54, doi:10.33394/hjkk.v12i3.11668.