EVALUATE THE QUALITY OF SERVICES PROVIDED IN UNIVERSITIES USING THE ACTUAL PERFORMANCE MODEL / SERVPERF /APPLIED RESEARCH AT AL-ESRAA UNIVERSITY. AJBMEB [Internet]. 2024 Jan. 11 [cited 2026 Jul. 2];20:126-41. Available from: https://mail.americanjournal.org/index.php/ajbmeb/article/view/1737