1. Redacción, E.C.: El cajero automático cumple 50 años: ¿Cuándo llegó y cuántos hay en el Perú? Obtained from (2017).
https://elcomercio.pe/economia/cajero-automatico-cumple-50-anos-llego-hay-peru-437983
2. Communications in Computer and Information Science;A Kamfiroozie,2011
3. Hellmann, R.: In a mobile banking era, the ATM is more important than ever. Obtained from (2018).
https://www.atmmarketplace.com/blogs/in-a-mobile-banking-era-the-atm-is-more-important-than-ever/
4. Van der Geest, T., Ramey, J., Rosenbaum, S., Van Velsen, L.: Introduction to the special section: designing a better user experience for self-service systems. IEEE Trans. Prof. Commun. 56(2), 92–96 (2013).
https://doi.org/10.1109/tpc.2013.2258731
5. McGlasson, L.: ATM Security: Customers And Machines Are At Risk. Obtained from (2008).
https://www.bankinfosecurity.com/atm-security-customers-machines-are-at-risk-a-686