A.  Noraziah, Noorhuzaimi, M. N., and Junaida, S., ?Smart electronic visitor information management system with biometric verification?, Journal of Digital Information Management, vol. 7, no. 5, pp. 318 - 325, 2009.

M. S.  Altarawneh, Khor, L. C., Woo, W. L., and Dlay, S. S., ?A non reference fingerpint image validity via statistical weight calculation?, Journal of Digital Information Management, vol. 5, no. 4, pp. 220 - 224, 2007.