KREYDENKO, T. F.; CHERNYAEV, M. V.; GRIGORIEVA, E. M. Issues of Developing the Tool for Diagnosis of Energy Efficiency Level of Russian Regions’ Economy. International Journal of Energy Economics and Policy, [S. l.], v. 8, n. 4, p. 187–198, 2018. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/6709. Acesso em: 9 feb. 2023.