Birhanu, Abreham Legas. “Service Quality and Customer Satisfaction in Ethiopian Higher Education Institutions: The Case of Oromia State University, Ethiopia”. The International Journal of Business & Management 6, no. 9 (September 30, 2018). Accessed May 18, 2024. https://www.internationaljournalcorner.com/index.php/theijbm/article/view/137384.