RAO, P. L.; SREEDEVI, J.; CHETHAN, G. N. Multi-Functional UPS for Commercial Use. Power Research - A Journal of CPRI, [S. l.], p. 45–52, 2022. DOI: 10.33686/pwj.v17i1.168215. Disponível em: https://cprijournal.in/index.php/pr/article/view/1012. Acesso em: 24 apr. 2024.