YILDIZ, B.; AKBULUT, G. UMTEB-2017 1st International Congress on Vocational and technical Sciences. Journal of Economics Bibliography, [S. l.], v. 4, n. 3, p. 287–288, 2017. DOI: 10.1453/jeb.v4i3.1451. Disponível em: https://journals.econsciences.com/index.php/JEB/article/view/1451. Acesso em: 19 sep. 2024.