PRELLI, G. E. Educational Leaders as Sherpas: How Leaders’ Actions Promote Collective Teachers’ Efficacy. Advances in Social Sciences Research Journal, [S. l.], v. 5, n. 1, 2018. DOI: 10.14738/assrj.52.4105. Disponível em: https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/4105. Acesso em: 29 mar. 2024.