GONZÁLEZ, C.; CASTRO, M.; LIZASOAIN, L. Using triangulation to assess continuing education teacher needs in Madrid (Spain). Education Policy Analysis Archives, [S. l.], v. 17, p. 2, 2009. DOI: 10.14507/epaa.v17n2.2009. Disponível em: https://epaa.asu.edu/index.php/epaa/article/view/4. Acesso em: 15 aug. 2022.