Siemek, Jakub, Stanisław Nagy, and Paweł Siemek. “Challenges for Sustainable Development: The Case of Shale Gas Exploitation in Poland”. Problemy Ekorozwoju 8, no. 1 (January 2, 2013): 91–104. Accessed November 21, 2024. https://ph.pollub.pl/index.php/preko/article/view/4864.