D. M. Sunil, Maddipalli Sudarshan, Arcot Sreeja, Bolli Lahari, Machireddy Durga Prasad Reddy. 2021. “Smart Ticket Collection System Using RFID”. International Journal of Modern Agriculture 10 (2):3812 -16. http://modern-journals.com/index.php/ijma/article/view/1253.