Silva , A., e J. Almeida. Experimental Didactic Space Of Rainwater Harvesting Contributes For Agrarian Science Teaching In The Brazilian Semiarid. ITEGAM-JETIA, Vol. 3, nÂș 10, June 2017, p. 198-03, https://www.itegam-jetia.org/journal/index.php/jetia/article/view/117.