2023-03-022023-03-02https://hdl.handle.net/2437/347010Absztrakt nélkülWithout abstractapplication/pdfCopyright (c) 2020 Debreceni Jogi Műhelyhttps://creativecommons.org/licenses/by-nc/4.0Changes to the copyright collective management, orphan worksChanges to the copyright collective management, orphan worksinfo:eu-repo/semantics/article