BOYACIOĞLU, Ebru Z.; ATAKAN, Müge. Comparative Review of Socio Economic Levels in Balkan Countries. European Journal of Economics and Business Studies, [S. l.], v. 4, n. 3, p. 102–113, 2018. Disponível em: https://www.revistia.com/index.php/ejes/article/view/2690. Acesso em: 17 dec. 2025.