V, T.; P, S. NEW ASYMMETRIC 21-LEVEL INVERTER WITH REDUCED NUMBER OF SWITCHES. The Journal of Engineering Research [TJER], [S. l.], v. 16, n. 1, p. 18–27, 2019. DOI: 10.24200/tjer.vol16iss1pp18-27. Disponível em: https://journals.squ.edu.om/index.php/tjer/article/view/3078. Acesso em: 24 apr. 2024.