1.
BOIKO O, KUNZ A, KLEMPA M, BUJOK P. Comparative Analysis of the Natural Gas Sector in Ukraine and the Czech Republic, Threats and Development Prospects. GSE [Internet]. 2021 Jun. 16 [cited 2026 Apr. 30];67(2):41–46. Available from: https://geoscience.cz/ojs/index.php/GSE/article/view/339