PROF. P.K.SANKALA; K.N.NANDARGI. New Approaches for Harmonic Reduction Using Cascaded H-Bridge and Level Modules. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 2, n. 2, p. 1–7, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/303. Acesso em: 1 oct. 2025.