Rodrigues , L., R. Mendes, B. Sá, Martins4 J., and T. Celso. “Rain Water Utilization Potential in Santarém-Pará”. ITEGAM-JETIA, Vol. 3, no. 10, June 2017, pp. 174-8, http://br940.teste.website/~itegamjetia/journal/index.php/jetia/article/view/112.