The Effect of α-Amylase and Glucoamylase Enzyme Concentrations and Fermentation Time on the Characteristics of Bioethanol from Cempedak Seed Flour. G-Tech [Internet]. 2026 Oct. 2 [cited 2026 Oct. 3];10(4):1577-8. Available from: https://ejournal.uniramalang.ac.id/g-tech/article/view/11141