Abdali, Adala O., Ali K. Abdulabbas, and Habeeb J. Nekad. “Non-Conventional Cascade Multilevel Inverter With Lower Number of Switches by Using Multilevel PWM”. Iraqi Journal for Electrical and Electronic Engineering 17, no. 1 (March 1, 2021): 16–28. Accessed December 13, 2025. https://ijeee.journalpath.com/ijeee/article/view/544.