Water quality index (WQI) and balneability in freshwater beaches on the Negro River, Manaus (Amazonas). Revista Espinhaço , [S. l.], v. 11, n. 1, 2022. DOI: 10.5281/zenodo.7108333. Disponível em: https://revistas.ufvjm.edu.br/index.php/revista-espinhaco/article/view/196. Acesso em: 6 may. 2026.