SILVA, Fernando José Araújo da. Strategies for upgrading primary facultative ponds in Fortaleza, Northeast Brazil. Revista Tecnologia, [S. l.], v. 30, n. 1, p. 104–113, 2016. Disponível em: https://ojs.unifor.br/tec/article/view/5281. Acesso em: 1 out. 2025.