Sugiyanti D, Darmadji P, Anggrahini S, Anwar C, Santoso U. Preparation and Characterization of Chitosan from Indonesian Tambak Lorok Shrimp Shell Waste and Crab Shell Waste. Pak. J. Nutr. [Internet]. 2018 Aug. 15 [cited 2025 Aug. 30];17(9):446–453. Available from: https://pjnonline.org/pjn/article/view/2624