EVALUATE THE QUALITY OF SERVICES PROVIDED IN UNIVERSITIES USING THE ACTUAL PERFORMANCE MODEL / SERVPERF /APPLIED RESEARCH AT AL-ESRAA UNIVERSITY. American Journal of Business Management, Economics and Banking, [S. l.], v. 20, p. 126–141, 2024. Disponível em: https://americanjournal.org/index.php/ajbmeb/article/view/1737. Acesso em: 3 oct. 2025.