Mohd. Adil, Dr. Odai Falah Mohammad Al Ghaswyneh, & Alaa Musallam Albkour. (2013). SERVQUAL and SERVPERF: A Review of Measures in Services Marketing Research. Global Journal of Management and Business Research, 13(E6), 65–76. Retrieved from https://journalofbusiness.org/index.php/GJMBR/article/view/1010