C. Gnanavel, M. Rajavelan, P. Muthukumar, and T. Baldwin Immanuel, “A Performance Investigation of a Single Phase Multilevel Inverter Fed Nonlinear Loads for Solar PV Applications”, IJET, vol. 7, no. 3.24, pp. 388–391, Aug. 2018, doi: 10.14419/ijet.v7i3.24.22692.