SOMRA, D.S; GUPTA, M. Enhanced Techniques using Dual watermarking for DWT, DCT and SVD. International Journal of Computer Sciences and Engineering, [S. l.], v. 7, n. 2, p. 190–197, 2019. DOI: 10.26438/ijcse/v7i2.190197. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/4297. Acesso em: 1 feb. 2026.