Extraction of Chitosan from Shrimp Shells Waste as Cu Metal Ions Adsorbent in Bangka Tin Kulong’s Water. PROMINE, [S. l.], v. 8, n. 2, p. 65–71, 2021. DOI: 10.33019/promine.v8i2.2070. Disponível em: https://www.journal.ubb.ac.id/index.php/promine/article/view/2070. Acesso em: 13 apr. 2026.