EARNESTLY, F. . IMPROVING IRON AND MANGANESE QUALITY IN GROUNDWATER WITH NATURAL FILTERS METHOD. JURNAL KATALISATOR, [S. l.], v. 6, n. 1, p. 21–33, 2021. DOI: 10.62769/katalisator.v6i1.214. Disponível em: https://scientiacatalysis.org/index.php/katalisator/article/view/214. Acesso em: 11 jan. 2025.