Nurchayati et al. 2023. PENGARUH VARIASI pH DAN RAGI TERHADAP VOLUME DAN KADAR BIOETANOL DARI BAHAN MOLASE. Energy, Materials and Product Design. 2, 2 (Nov. 2023), 129–137. DOI:https://doi.org/10.29303/empd.v2i2.2847.