OLIVEIRA , Alecir José Carvalho de. Urbanization and Problems Related to Basic Sanitation and the Environment in Cities . Technical and Scientific Journal Green Cities, [S. l.], v. 9, n. 23, 2021. DOI: 10.17271/2317860492320212930. Disponível em: https://publicacoes.amigosdanatureza.org.br/index.php/cidades_verdes/article/view/2930. Acesso em: 8 jan. 2026.