AFIF, Ega Haidar. Copyright Protection of Graphic Design Works on Print on Demand. Proceedings Series on Social Sciences & Humanities, [S. l.], v. 14, p. 410–414, 2023. Disponível em: https://conferenceproceedings.ump.ac.id/pssh/article/view/1075. Acesso em: 26 oct. 2025.