CZETWERTYŃSKI, S. CRISIS OF COPYRIGHTS AUTHORITY. Ekonomia i Prawo. Economics and Law, [S. l.], v. 15, n. 1, p. 47–57, 2016. DOI: 10.12775/EiP.2016.004. Disponível em: https://apcz.umk.pl/EiP/article/view/EiP.2016.004. Acesso em: 25 apr. 2024.