Isolation and Toxicity Test of Chitosan from Green Mussels (Perna Viridis L.) With Brine Shrimp Lethality Test (BSLT) Method: Study Program of Pharmacy, Faculty of Pharmacy, Universitas Muslim Nusantara Al Washliyah, Medan, Indonesia. J. Sains. Kes 2024, 5 (5), 759-765. https://doi.org/10.30872/jsk.v5i5.588.