IRVINE BELSON, S.; HUSTED, T. A. Impact of National Board for the Professional Teaching Standards (NBPTS) certification on student achievement. Education Policy Analysis Archives, [S. l.], v. 23, p. 91, 2015. DOI: 10.14507/epaa.v23.2074. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/2074. Acesso em: 28 jun. 2022.