ZAFIROPOULOS, Costas; VRANA, Vasiliki. Service quality assessment in a Greek higher education institute. Journal of Business Economics and Management, [S. l.], v. 9, n. 1, p. 33–45, 2008. DOI: 10.3846/1611-1699.2008.9.33-45. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/6838. Acesso em: 26 may. 2025.