1.
Konaszczuk W. Cross-Border Cooperation between Poland, Russia and Ukraine on Oil and Gas Trade — an Attempt at Reflection in the Context of Energy Security. br [Internet]. 2019 Aug. 26 [cited 2025 Apr. 15];16(5(S):43-9. Available from: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/61