Aruljothi, C, and N Pavithra. “A Study on Customer Satisfaction towards Service Quality of Various Mobile Phone Network Service Providers”. Shanlax International Journal of Economics 5, no. 2 (March 16, 2017): 18-24. Accessed March 29, 2024. https://www.shanlaxjournals.in/journals/index.php/economics/article/view/753.