OVALLE-RAMIREZ, C. P. Effect of the double school day on the academic performance of Colombian students: An empirical analysis to inform the full day policy. Education Policy Analysis Archives, [S. l.], v. 26, p. 81, 2018. DOI: 10.14507/epaa.26.2990. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/2990. Acesso em: 20 apr. 2024.