ALI, J. ., A. . JUSOH, A. . QASIM, and M. A. . ABRO. “Service Quality and Its Impact on Customer Satisfaction and Loyalty in Airline Industry: Partial Least Square (PLS)-Structural Equation Modelling (SEM) Approach”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 3, June 2021, pp. 2212-24, https://cibgp.com/au/index.php/1323-6903/article/view/1831.