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. GeoScience Engineering, [S. l.], v. 67, n. 2, p. 41–46, 2021. DOI: 10.35180/gse-2021-0050. Disponível em: http://geoscience.cz/ojs/index.php/GSE/article/view/339. Acesso em: 25 apr. 2024.