IMPROVED REMOVAL OF COPPER IONS FROM AQUEOUS SOLUTION USING NaOH-PRETREATED COCO PEAT. ASEAN Engineering Journal, [S. l.], v. 4, n. 1, p. 93–103, 2014. DOI: 10.11113/aej.v4.15437. Disponível em: https://journals.utm.my/aej/article/view/15437.. Acesso em: 3 jul. 2024.