A. Prashant Diwan, N. Booma Nagarajan, T. Murugan, S. Ashrafudeen, and G. J. Jenito Paul, “Modified Cascaded H-Bridge Multilevel Inverter using Trinary DC source”, IJET, vol. 7, no. 2.24, pp. 55–58, Apr. 2018, doi: 10.14419/ijet.v7i2.24.11998.