GOPAL, Y.; PANDA, K. P.; BIRLA, D.; LALWANI, M. Swarm Optimization-Based Modified Selective Harmonic Elimination PWM Technique Application in Symmetrical H-Bridge Type Multilevel Inverters. Engineering, Technology & Applied Science Research, Greece, v. 9, n. 1, p. 3836–3845, 2019. DOI: 10.48084/etasr.2397. Disponível em: https://etasr.com/index.php/ETASR/article/view/2397. Acesso em: 25 sep. 2021.