study of the rainwater drainage system at Getúlio Vargas Avenue in the historical center of the city of Manaus/AM (216-222). ITEGAM-JETIA, [S. l.], v. 4, n. 16, 2018. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/350. Acesso em: 23 oct. 2026.