R.Banupriya, R.Nagarajan. “DESIGN AND IMPLEMENTATION OF PV-FED CASCADED H-BRIDGE INVERTER USING DIFFERENT FILTERS”. International Journal of Advanced Science and Technology, Vol. 29, no. 6s, Apr. 2020, pp. 187 -99, http://sersc.org/journals/index.php/IJAST/article/view/8745.