CZETWERTYŃSKI, S. Non-market information goods circulation and the copying culture in the Internet era. Ekonomia i Prawo. Economics and Law, [S. l.], v. 15, n. 4, p. 455–468, 2016. DOI: 10.12775/EiP.2016.030. Disponível em: https://apcz.umk.pl/EiP/article/view/EiP.2016.030. Acesso em: 23 jul. 2024.