Yuniwati, M., Dewi, N., Kusmartono, B., & Yusuf, M. (2023). Utilization of Cassava Tubers (Dioscorea Alata) and Chitosan to Produce Biodegradable Plastic. Engineering And Technology Journal, 8(12), 3143–3148. https://doi.org/10.47191/etj/v8i12.04