Gomes, Candido, Fernando Mariano, Adriana de Oliveira, Alessandro Barbosa, José Hilton Sousa, and Nidolf Friedrich. “Reforço Escolar: Gastos E Desigualdades Sociais”. Brazilian Journal of Pedagogical Studies 91, no. 227 (June 29, 2010). Accessed July 4, 2024. https://emaberto.inep.gov.br/ojs3/index.php/rbep/article/view/2834.