CHEBOTAREVA, Galina Sergeevna. Methods for the Evaluation of the Competitiveness of Energy Companies. Economy of Regions, [S. l.], v. 14, n. 1, p. 190–201, 2018. DOI: 10.17059/2018-1-15. Disponível em: https://economyofregions.org/ojs/index.php/er/article/view/1954. Acesso em: 15 may. 2026.