School leadership in Europe. Recommendations and improvement policies. Journal of Parents and Teachers, [S. l.], n. 361, p. 18–22, 2015. DOI: 10.14422/pym.i361.y2015.003. Disponível em: https://revistas.comillas.edu/padresymaestros/article/view/5337. Acesso em: 5 dec. 2025.