Junaid-ul-haq, Junaid-ul-haq, and Rao Umer Nasir . “How Customer Loyalty Model Be Operative? A Study of Cellular Phone Service Providers in Pakistan”. Information Management and Business Review 5, no. 5 (May 30, 2013): pp. 245-256. Accessed July 3, 2024. https://ojs.amhinternational.com/index.php/imbr/article/view/1049.