Gopal, Y., K. P. Panda, D. Birla, and M. Lalwani. 2019. “Swarm Optimization-Based Modified Selective Harmonic Elimination PWM Technique Application in Symmetrical H-Bridge Type Multilevel Inverters”. Engineering, Technology &Amp; Applied Science Research 9 (1). Greece:3836-45. https://doi.org/10.48084/etasr.2397.