CHIKUNOV, S. O.; PONKRATOV, V. V.; SOKOLOV, A. A.; POZDNYAEV, A. S.; OSINOVSKAYA, I. V.; IVLEVA, M. I. Financial Risks of Russian Oil Companies in Conditions of Volatility of Global Oil Prices. International Journal of Energy Economics and Policy, [S. l.], v. 9, n. 3, p. 18–29, 2019. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/7358. Acesso em: 19 apr. 2024.