Muhammad Imran Ahmad and  Ruzelita Ngadiran and  Mohd Nazrin Md Isa and  Nor Ashidi Mat Isa and  Mohd Zaizu Ilyas and  Raja Abdullah Raja Ahmad and  Said Amirul Anwar Ab Hamid and  Muzammil Jusoh,  Local Spectrum Feature Extraction for Face Recognition.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 97(1). 365 - 369
    [viewed 09 December 2019]. Available from: https://publications.waset.org/pdf/10000915.