HAROUTUNIAN, M. E. .; TONOYAN, S. A. . . On Information Hiding System With Multiple Messages. Mathematical Problems of Computer Science, [S. l.], v. 24, p. 89–103, 2021. Disponível em: http://www.mpcs.sci.am/index.php/mpcs/article/view/591. Acesso em: 1 may. 2025.