DONAJ, Łukasz. Energy Security – in a Clinch Between Politics and Business. Chosen Alternative Energy Solutions. Przegląd Strategiczny, [S. l.], n. 2, p. 41–52, 2012. DOI: 10.14746/ps.2012.2.4. Disponível em: https://pressto.amu.edu.pl/index.php/ps/article/view/6021. Acesso em: 21 kwi. 2024.