SITORUS, D. I.; RIDWANTO, R. Isolation and Characterization of Chitosan from Kepah Shell Waste (Polymesoda erosa) Percut Sei Tuan, North Sumatera. Indonesian Journal of Science and Pharmacy, [S. l.], v. 1, n. 3, p. 100–107, 2024. DOI: 10.63763/ijsp.v1i3.43. Disponível em: https://ejournal.pusmed.com/index.php/IJSP/article/view/43. Acesso em: 14 oct. 2025.