Wastewater in river water quality. GnosisWisdom, [S. l.], v. 2, n. 3, p. 30–36, 2022. DOI: 10.54556/gnosiswisdom.v2i3.43. Disponível em: https://journal.gnosiswisdom.pe/index.php/revista/article/view/43. Acesso em: 14 apr. 2026.