Thongprasri, Pairote. “3-phase 19-level T-type Multilevel Inverter Based Low Total Harmonic Distortion”. Frontiers in Engineering Innovation Research 17, no. 2 (December 24, 2019): 189–203. accessed April 25, 2025. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241915.