HAMAM, H. Protection of documents against sophisticated photocopying and scanning. CRJ, [S. l.], v. 1, n. 1, p. 13–17, 2023. DOI: 10.59380/crj.v1i1.2688. Disponível em: https://albanica.al/CRJ/article/view/2688. Acesso em: 17 feb. 2025.