T.Gowtham Raj, P.Maniraj, M.SivaramKrishnan. “ASYMMETRIC CASCADED MULTI LEVEL INVERTER USING TWO UNEQUAL DC SOURCES BY FUZZY CONTROLLER”. International Journal of Advanced Science and Technology, Vol. 29, no. 6s, Apr. 2020, pp. 2246-55, http://sersc.org/journals/index.php/IJAST/article/view/11040.