Adewale, A. A., B. A. Adepoju, and P. K. Oyekanmi. “Perception of Service Quality in Higher Educational Institutions in Nigeria”. Nigerian Academy of Management Journal 14, no. 1 (September 1, 2019): 116–130. Accessed April 22, 2026. https://namj.tamn-ng.org/index.php/home/article/view/78.