KÖYBAŞI, Fatma; CELAL TEYYAR UĞURLU. School Principals’ Opinions About Level of their Entrepreneurship. European Journal of Social Science Education and Research, London, U.K., v. 4, n. 2, p. 85–91, 2017. DOI: 10.26417/ejser.v7i1.p125-129. Disponível em: https://revistia.com/index.php/ejser/article/view/369. Acesso em: 4 apr. 2025.