Supriyono, Supriyono, Hamdan Hadi Kusuma, Mulyatun Mulyatun, and Biaunik Niski Kumila. “Synthesis and Characterization of Cassava Shell Based Biodegradable Plastic With Kitosan Addition”. Journal of Natural Sciences and Mathematics Research 3, no. 1 (August 25, 2017): 198–202. Accessed June 7, 2025. https://journal.walisongo.ac.id/index.php/JNSMR/article/view/1694.