Pradeep Kumar, S, and N Shanmugasundaram. “Pin Number Theft Recognition and Cash Transaction Using Sixth Sense Technology in ATM CDM”. International Journal of Engineering & Technology 7, no. 2.31 (May 29, 2018): 178–180. Accessed May 4, 2024. https://sciencepubco.com/index.php/ijet/article/view/13435.