Hamzah, Afan, Muhammad Nurul Hakim, Baiq Firyal Salsabilla, Nurul Maziyah, Laila Nur Rahmah, Hanny F Sangian, Soeprijanto, and Arief Widjaja. “Preliminary Study of Reducing Sugar Production from Coconut Husk by Enzymatic Hydrolysis Using Chitosan Immobilized Crude and Commercial Cellulase”. IPTEK The Journal for Technology and Science 31, no. 1 (July 1, 2025): 67–74. Accessed January 30, 2026. https://journal.its.ac.id/index.php/jts/article/view/4262.