NYGA-ŁUKASZEWSKA, Honorata; CHILIMONIUK-PRZEŹDZIECKA, Eliza. Modelling Energy Security and International Competitiveness: The Export Perspective. Entrepreneurial Business and Economics Review, Poland, v. 5, n. 2, p. 71–84, 2017. DOI: 10.15678/EBER.2017.050204. Disponível em: https://eber.uek.krakow.pl/index.php/eber/article/view/245.. Acesso em: 1 aug. 2025.