Nyga-Łukaszewska H, Chilimoniuk-Przeździecka E. Modelling Energy Security and International Competitiveness: The Export Perspective. EBER [Internet]. 2017 Jun. 24 [cited 2025 Aug. 1];5(2):71-84. Available from: https://eber.uek.krakow.pl/index.php/eber/article/view/245