NIKLEWICZ-PIJACZYŃSKA, Małgorzata. From the Patent to the Concept of Free Revealing – Closed and Open Model of Industrial Property. Oeconomia Copernicana, [S. l.], v. 5, n. 2, p. 49–61, 2014. DOI: 10.12775/OeC.2014.013. Disponível em: https://apcz.umk.pl/OeC/article/view/OeC.2014.013. Acesso em: 15 mar. 2025.