Junaid-ul-haq, Abrar M, Nasir RU. How Customer Loyalty Model Be Operative? A study of Cellular Phone Service Providers in Pakistan. IMBR [Internet]. 2013 May 30 [cited 2026 Oct. 25];5(5):245-56. Available from: https://amhinternational.com/imbr/article/view/263-how-customer-loyalty-model-be-operative-a-study-of-cellular-phone-service-providers-in-pakistan