Physical-chemical analysis of the water quality of the Itapecuru River in the municipality of Caxias-MA. Research, Society and Development, [S. l.], v. 10, n. 15, p. e551101521973, 2021. DOI: 10.33448/rsd-v10i15.21973. Disponível em: https://rsdjournal.org/rsd/article/view/21973. Acesso em: 19 dec. 2025.