Gulzar, Dr. Muhammad, Shan Ahmad, Dr. Umar Shami, Dr. Sadia Murawwat, and Ahlam Jameel. 2020. “An Improved PWM Technique to Reduce Total Harmonic Distortion of Multilevel Inverters”. Technical Journal 25 (01), 8-14. https://tj.uettaxila.edu.pk/index.php/technical-journal/article/view/1082.