Securing digital documents using digital watermarking. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 2017, n. IHSCICONF, p. 187–194, 2018. DOI: 10.30526/2017.IHSCICONF.1792. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1792.. Acesso em: 28 apr. 2024.