Survey of sewage disposal points and bathers’ perception of the Turiaçu River in the municipality of Santa Helena-MA. Research, Society and Development, [S. l.], v. 10, n. 14, 2021. DOI: 10.33448/rsd-v10i14.21704. Disponível em: https://rsdjournal.org/rsd/article/view/21704. Acesso em: 5 dec. 2025.