GUNJAN; ER. MADAN LAL. Investigation of Various Image Steganography Techniques in Spatial Domain. International Journal of Computer Engineering in Research Trends, [S. l.], v. 3, n. 6, p. 347–351, 2016. Disponível em: https://www.ijcert.org/index.php/ijcert/article/view/765. Acesso em: 12 oct. 2026.