BARTNICZAK, B. State aid as a tool encouraging production of energy from renewable sources. Copernican Journal of Finance & Accounting, [S. l.], v. 3, n. 1, p. 19–32, 2014. DOI: 10.12775/CJFA.2014.002. Disponível em: https://apcz.umk.pl/CJFA/article/view/CJFA.2014.002. Acesso em: 30 jun. 2024.