PL. Somasundaram, M. Devanandhini, G. Elamathi, D. Sadhura. “New Methodology of Tariff Calculation for Domestic Consumers”. International Journal of Advanced Science and Technology, Vol. 29, no. 3, Apr. 2020, pp. 8357 -64, http://sersc.org/journals/index.php/IJAST/article/view/9869.