Bałdowski M. Controversies Concerning the Interpretation of State Resources as a Prerequisite of State Aid: an Illustration Using the Example of Polish Green Certificates and the Auction System. PPUAM / AMU LR [Internet]. 2017 Dec. 15 [cited 2024 Dec. 20];7:269-82. Available from: https://pressto.amu.edu.pl/index.php/ppuam/article/view/12256