Preparation and Characterization of Chitosan Membranes from Crab Shells (Scylla olivacea) for Beverage Preservative. Jurnal Kimia Valensi, [S. l.], v. 5, n. 2, p. 242–247, 2019. DOI: 10.15408/jkv.v5i2.10637. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/10637. Acesso em: 15 oct. 2025.