KUMAR, M. K. E.; CHANDRA BABU, M. P. An Improved Efficiency of Single Phase Transformer Less PV Inverter Topology by NPC System. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 1, n. 09, 2014. Disponível em: http://igmpublication.com/ijetst.in/index.php/ijetst/article/view/417. Acesso em: 31 jan. 2025.