Fitri, Hasanul, Subari Yanto, and Reski Praja Putra. “Characterization of Pectinase Enzyme Produced from Indigenous Yeast Isolates During Fermentation of Robusta Coffee Beans”. Formosa Journal of Applied Sciences 3, no. 10 (October 24, 2024): 4059–4078. Accessed May 6, 2026. https://journal.formosapublisher.org/index.php/fjas/article/view/10913.