Use of banana peel for the removal of copper (II) in aqueous solutions. Revista Científica Ciencias Naturales y Ambientales, [S. l.], v. 18, n. 2, 2024. DOI: 10.53591/cna.v18i2.1933. Disponível em: https://revistas.ug.edu.ec/index.php/cna/article/view/1933. Acesso em: 5 dec. 2025.