GAPYS, Anna. Analysis of Shale Gas Exploration and Production Regulations - Lessons from Poland, Canada and the US. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, Krakow, n. 1(925), p. 57–72, 2015. DOI: 10.15678/ZNUEK.2014.0925.0104. Disponível em: https://krem.uek.krakow.pl/index.php/krem/article/view/526.. Acesso em: 10 nov. 2024.