EASTON-BROOKS, D.; DAVIS, A. Teacher qualification and the achievement gap in early primary grades. Education Policy Analysis Archives, [S. l.], v. 17, p. 15, 2009. DOI: 10.14507/epaa.v17n15.2009. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/17. Acesso em: 14 aug. 2022.