Digital watermarking in A udio signals for covert data Transmission. Journal of the College of Basic Education, [S. l.], v. 18, n. 75, p. 121–129, 2023. DOI: 10.35950/cbej.v18i75.9132. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9132.. Acesso em: 21 apr. 2025.