BORGES, Kleber Lúcio. Basic Sanitation in Porto Velho: the worst Brazilian Capital in this Area. International Journal of Advanced Engineering Research and Science, [S. l.], v. 6, n. 4, 2019. Disponível em: https://journal-repository.com/index.php/ijaers/article/view/891.. Acesso em: 1 may. 2025.