Sarala Kumari, G, B Ganesh Babu, Rashmi Kapoor, and M Ranjit. “Implementation of Level Shifted PWM and Bee Algorithm for Cascaded Multilevel Inverters”.
International Journal of Engineering and Technology 7, no. 3.29 (August 24, 2018): 342–347. Accessed April 18, 2025.
https://sciencepubco.com/index.php/IJET/article/view/19189.