S. Sri Hari , K. Vishal Vinod , P. Hemanth Kumar , Harini G ,N. Harini. 2020. “Integrity Preserved Multifactor Authentication Based Automated Ticketing System”. International Journal of Advanced Science and Technology 29 (6s), 2547-55. http://sersc.org/journals/index.php/IJAST/article/view/11924.