Radhika Badhan, Dr. Madhura Bedarkar. “Service Quality and Its İmpact on Customer Contentment and Brand Faith in Telecom Industry in Odisha-West Bengal”. International Journal of Advanced Science and Technology, Vol. 29, no. 5s, June 2020, pp. 3093-00, http://sersc.org/journals/index.php/IJAST/article/view/23000.