Ferreira, M. A., M. O. Silva e Vasques, G. C. de Benedicto, C. L. L. Calegário, and J. Alves e Souza. “Analysis of the Economic and Financial Perfor-Mance of Companies in the Brazilian Energy Sec-Tor: A Proposal for Grouping”. REBRAE, vol. 11, no. 3, Aug. 2018, pp. 368-86, doi:10.7213/rebrae.v11i3.24211.