HILL, P. T.; GUIN, K. Baselines for Assessment of Choice Programs. Education Policy Analysis Archives, [S. l.], v. 11, p. 39, 2003. DOI: 10.14507/epaa.v11n39.2003. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/267. Acesso em: 27 sep. 2022.