MR. MANDAR DIGAMBAR KHATAVKAR; PROF. A. S. MALI. A IMAGE SECURITY WITH IMAGE STEGANOGRAPHY USING DCT COEFFICIENT AND ENCRYPTION. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 3, n. 9, p. 1–8, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/924. Acesso em: 16 aug. 2025.