OZKAN, T.; TOKEL, A. An evaluation of school directors’ organisational creativity and managerial effectiveness . New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 7, n. 3, p. 20–26, 2020. DOI: 10.18844/prosoc.v7i3.5228. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/5228. Acesso em: 25 apr. 2024.