PYSAR, Nadiia. Assessment of the Region’s Energy Security Level in the Process of Formation of the Common European Energy Space. International Journal of Energy Economics and Policy, [S. l.], v. 9, n. 4, p. 149–157, 2019. Disponível em: https://econjournals.com/index.php/ijeep/article/view/7679. Acesso em: 22 dec. 2024.