Gonçalves dos Santos Medeiros F, Rocha Pinto F, Barbosa de Alencar D, de Freitas Lopes G. Evaluation of the Basic Sanitation Legislative System in Manaus - Amazonas. Int J Innov Educ Res. 2019;7(11):417-423. doi:10.31686/ijier.vol7.iss11.1895