Social skills headteachers of schools centers. European Journal of Education and Psychology, [S. l.], v. 2, n. 3, p. 275–288, 2009. DOI: 10.30552/ejep.v2i3.30. Disponível em: https://revistas.uautonoma.cl/index.php/ejep/article/view/841. Acesso em: 27 jun. 2026.