BEULAH DAVID, D., and M. A.DORAIRANGASWAMY. “Gait Recognition As Non-Intrusive Biometric Using View Invariant Methods in Multi Temporal Images”. International Journal of Engineering & Technology, vol. 7, no. 4.7, Sept. 2018, pp. 127-30, https://doi.org/10.14419/ijet.v7i4.7.20527.