Е. ПЫНЬКО, Л.; В. ТОЛКАЧЕВА, Е. Assessing opportunities of competitiveness increasing in the coal industry enterprises. Power and Administration in the East of Russia, [S. l.], v. 13, n. 3, 2020. DOI: 10.22394/1818-4049-2020-92-3-126-134. Disponível em: https://vlast-dv.owebs.ru/article/view/18077. Acesso em: 8 nov. 2026.