The Effect of Contact Time and Optimum pH on the Adsorption of Methylene Blue Dye by Alginate-Chitosan Complex Polyelectrolyte Films. Stannum : Jurnal Sains dan Terapan Kimia, [S. l.], v. 5, n. 2, p. 87–92, 2023. DOI: 10.33019/jstk.v5i2.4371. Disponível em: https://www.journal.ubb.ac.id/index.php/stannum/article/view/4371. Acesso em: 25 apr. 2026.