Abbas Malik, M., and U. Surya Rao. “A Study on Customer Attitude towards Service Quality With Special Reference to LIC and ICICI Prudential in Ramanathapuram District, Tamil Nadu”. Shanlax International Journal of Management, Vol. 5, no. 1, July 2017, pp. 212-30, https://shanlaxjournals.in/journals/index.php/management/article/view/1704.