OLSZANECKA, N. Russian energy sector in the face of sanctions. The Copernicus Journal of Political Studies, [S. l.], n. 1, p. 5–18, 2018. DOI: 10.12775/CJPS.2018.001. Disponível em: https://apcz.umk.pl/CJPS/article/view/CJPS.2018.001. Acesso em: 19 lip. 2024.