ĐÌNH, V. B.; HUY, N. X.; TĨNH, Đào T. On an estimate ability for information hiding in digital map. Journal of Computer Science and Cybernetics, [S. l.], v. 18, n. 4, p. 347–353, 2012. DOI: 10.15625/1813-9663/18/4/1572. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1572. Acesso em: 9 may. 2024.