LEUTWYLER, Bruno; SIEBER, Priska. Changes in the field of teaching profession? The limits of leadership. Swiss Journal of Educational Research, Bern, v. 28, n. S, p. 57–76, 2006. DOI: 10.24452/sjer.28.S.4757. Disponível em: https://sjer.ch/article/view/4757. Acesso em: 20 apr. 2025.