“Effect of Chitosan Extracted from Vannamei Shrimp (Litopenaeus vannamei) Shells in Feed on the Growth Performance and Digestibility of Nile Tilapia (Oreochromis niloticus)” (2025) Jurnal Natur Indonesia, 23(1), pp. 1–9. doi:10.31258/jnat.23.1.1-9.