PAVLENKO, I. ENERGY SECURITY IN THE EUROPEAN UNION. The Copernicus Journal of Political Studies, [S. l.], n. 1, p. 27–40, 2020. DOI: 10.12775/CJPS.2020.002. Disponível em: https://apcz.umk.pl/CJPS/article/view/CJPS.2020.002. Acesso em: 25 sty. 2022.