ZAYNUTDINOV, R. R. Russia and Europe Under Sanctions: Problems of Energy Development. International Journal of Energy Economics and Policy, [S. l.], v. 5, n. 2, p. 415–421, 2015. Disponível em: https://econjournals.com/index.php/ijeep/article/view/1071. Acesso em: 2 may. 2024.