Figueiredo , Sara, Tarciso Silva, Taysa Machado, Jobson Dias, and Thiago Bezerras. 2017. “Installations of Cisternas: An Analysis in the Semi-Arid Region of Paraíba State”. ITEGAM-JETIA 3 (10), 116-20. https://itegam-jetia.org/journal/index.php/jetia/article/view/103.