1. Mohammed Hamid Khan, Securing ATM with OTP and Biometric (International Journal on Recent and Innovation Trends in Computing and Communication, Online, 2015), Vol.3, Issue.4.
2. Shivam Kumar Rajput, Aniket R. Patne, Amit Varma, Girish Vishe, Enhanced fingerprint recognition and OTP to improve ATM security (International Journal Of Advance Research, Ideas And Innovations In Technology, Online, 2019), Vol.5, Issue 2.
3. Moses O. Onyesolu, Amara C. Okpala, Improving Security Using a Three-Tier Authentication for Automated Teller Machine (ATM) (I. J. Computer Network and Information Security, Online, 2017), No.10, pp. 50–56.
4. Allen R. MacDonald, James W.Myhre, Richard C. Litman, System for ATM Transfers (10 August 1999) Patent Number: 5937396.
5. Milind Nemade, Laukik Karnavat, Prachi Dhuri, Ruchika Desure, Sejal Gandhi, A Review Paper on Improving Security of ATM System (International Journal on Recent and Innovation Trends in Computing and Communication, Online, 2016) pp.33–36.