Achour, M., Md. Said, N. P. and Boerhannoeddin, A. (2011) “Customer Loyalty: The Case of Mobile Phone Users in Universiti Utara Malaysia”, International Journal of Management Studies, 18(2), pp. 43–66. Available at: https://e-journal.uum.edu.my/index.php/ijms/article/view/10347 (Accessed: 19 August 2022).