RAVI C. MUNDE , MR. AKSHAY R. MISAL, K. P. T. O. R. C. , M. S. R. S. Factor Authentication for Banking System by using Android based Smart Phones. International Journal of Engineering and Computer Science, india, v. 4, n. 02, 2015. Disponível em: http://ijecs.in/index.php/ijecs/article/view/1108. Acesso em: 11 may. 2024.