R., Vimalathithan, and M. Valarmathi. “Cryptanalysis of Simplified-AES Using Particle Swarm Optimisation”. Defence Science Journal 62, no. 2 (March 13, 2012): 117-121. Accessed April 25, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/778.