HỒNG, Bùi Thế. A revision for secure and invisible data hiding in 2-color images. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 21, n. 4, p. 281–292, 2012. DOI: 10.15625/1813-9663/21/4/1432. Disponível em: https://jcc.vast.vn/jcc/article/view/1432. Acesso em: 4 nov. 2025.