Ribeiro , R., A. Lima, and A. Gomes. “Technical and Economic Feasibility of the Use of Rainwater for Non-Potable Purposes for a Residence in the City of Manaus/AM (223-229)”. ITEGAM-JETIA, Vol. 4, no. 16, Dec. 2018, pp. 223-9, http://br940.teste.website/~itegamjetia/journal/index.php/jetia/article/view/351.