Assessment of natural coagulant Cassia fistula in the primary treatment of wastewater. Orinoquia, [S. l.], v. 21, n. 1, p. 73–78, 2017. DOI: 10.22579/20112629.396. Disponível em: https://ojs-orinoquia-prueba.metarevistas.org/index.php/orinoquia/article/view/396. Acesso em: 14 sep. 2026.