Fawzi Mohammed, Mustafa, Ali Husain Ahmad, and AbdulRahim Thiab Humod. “Harmonics Reduction of a Five-Level Inverter by Unbalanced Carriers and over-Modulation Techniques”. International Journal of Engineering & Technology 7, no. 3 (June 23, 2018): 1059–1063. Accessed May 7, 2024. https://sciencepubco.com/index.php/ijet/article/view/12217.