MOUFAQ ABDUL MAJEED HALEEM, A.; ZAKARIA, A. Hiding digital image watermarking in a sound signal using Wavelet Transform and Singular Value Decomposition. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 10, n. 4, p. 65–83, 2013. DOI: 10.33899/csmj.2013.163557 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/37008. Acesso em: 2 nov. 2025.