V, Jaikrishna, Subhranhsu Sekhar Dash, and Linss T Alex. “A Modified PV Fed 9 Level Inverter for Standalone Applications With Reduced Number of Switches”. International Journal of Engineering and Technology 7, no. 1.2 (December 28, 2017): 33–36. Accessed August 18, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/8986.