GOWRISHANKAR, J.; BALASUNDARAM, G.; JAYAKISHORE, R.; BELWIN EDWARDD, J. Symmetrical and asymmetrical cascaded multilevel inverter for photovoltaic system. International Journal of Engineering and Technology, [S. l.], v. 7, n. 4.5, p. 732–735, 2018. DOI: 10.14419/ijet.v7i4.5.25071. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/25071.. Acesso em: 17 aug. 2025.