Soares Sousa, Luci Cleide Farias, et al. “Development of Students ’perception of the 7th Year of Basic Education in a Public School about the Consious Use of the Water”. Revista Brasileira De Gestão Ambiental, vol. 5, nº 1, novembro de 2011, p. 14-22, https://www.gvaa.com.br/revista/index.php/RBGA/article/view/854.