VIJAYARAJ.A; VELMURUGAN.N. Visual Pixel Expansion of Secret Image. Global Journal of Computer Science and Technology, [S. l.], v. 11, n. 20, p. 85–88, 2011. Disponível em: https://computerresearch.org/index.php/computer/article/view/1045. Acesso em: 9 may. 2024.