STRZAŁA-OSUCH, K. Opportunities and Threats for Polish Economic Growth in the Context of the Exploration and Extraction of Shale Gas. Oeconomia Copernicana, [S. l.], v. 4, n. 3, p. 133–148, 2013. DOI: 10.12775/OeC.2013.027. Disponível em: http://economic-research.pl/Journals/index.php/oc/article/view/435. Acesso em: 22 jan. 2022.