DR. RAJU SINGH KUSHWAHA. Enhancement of Confidentiality of Data Transmitted over Covert Channel Using Grid Cipher Scheme. Global Journal of Computer Science and Technology, [S. l.], v. 12, n. E10, p. 49–51, 2012. Disponível em: https://computerresearch.org/index.php/computer/article/view/525. Acesso em: 7 may. 2024.