DUBSKÝ, Z.; PAVLIŇÁK, D. The External Dimension of the EU Energy Security in the Field of Natural Gas – the Approach to Diversification of Suppliers. Czech Journal of International Relations, Prague, Czech Republic, v. 53, n. 3, p. 32–52, 2018. DOI: 10.32422/mv.1567. Disponível em: https://cjir.iir.cz/index.php/cjir/article/view/164. Acesso em: 12 dec. 2024.