Chemical coagulants and Moringa oleifera seed extract for treating concrete wastewater. Acta Scientiarum. Technology, [S. l.], v. 38, n. 1, p. 57–64, 2016. DOI: 10.4025/actascitechnol.v38i1.25699. Disponível em: https://periodicos.uem.br/actascitechnol/index.php/ActaSciTechnol/article/view/25699. Acesso em: 5 jun. 2026.