NEWTON, P. M.; WALLIN, D. The Teaching Principal: An Untenable Position or a Promising Model?. Alberta Journal of Educational Research, [S. l.], v. 59, n. 1, p. 55–71, 2013. DOI: 10.11575/ajer.v59i1.55675. Disponível em: https://journalhosting.ucalgary.ca/index.php/ajer/article/view/55675. Acesso em: 20 apr. 2024.