Prasad, Durga, Khairul Azmi Abu Bakar, Munna Kumar, Nurhizam Safie Mohd Satar, K. Sriram, Anupam Srivastav, S. N. Upadhyay, and Ram Sharan Singh. “A Theoretical Review of Conceptual Model for E-CRM Success in Telecommunication Companies”. International Journal of Engineering and Technology 7, no. 4 (June 30, 2019): 6381–6390. Accessed September 25, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/17674.