Shiraz, Muhammad, Laleh Boroumand, Abdullah Gani, and Suleman Khan. “AN IMPROVED PORT KNOCKING AUTHENTICATION FRAMEWORK FOR MOBILE CLOUD COMPUTING”. Malaysian Journal of Computer Science 32, no. 4 (October 29, 2019): 269–283. Accessed May 6, 2024. https://ejournal.um.edu.my/index.php/MJCS/article/view/20406.