Adsorption Isotherm and Kinetic Studies of Chitosan–Coffee Husk Carbon Composite Beads for the Removal of Congo Red and Methylene Blue. ALKIMIA : Jurnal Ilmu Kimia dan Terapan, [S. l.], v. 9, n. 1, p. 39–45, 2025. DOI: 10.19109/th8a3b88. Disponível em: https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/30610.. Acesso em: 23 aug. 2025.