Amni, Chairul, Ismet ., Sri Aprilia, and Mariana . “Synthesis of Biodegradable Plastics from Janeng Starch With the Addition of Chitosan As a Strengthener”. International Journal of Engineering & Technology 7, no. 4 (May 11, 2019): 6066–6068. Accessed May 3, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/20663.