Adsorptive Removal of Cadmium Ions from Aqueous Media Using Coal Fly Ash Cross-Linked with Melamine–Formaldehyde Resin. Annual Methodological Archive Research Review, [S. l.], v. 4, n. 3, p. 645–656, 2026. DOI: 10.66021/. Disponível em: https://www.amresearchjournal.com/index.php/Journal/article/view/1832. Acesso em: 14 oct. 2026.