Parvinder S. Sandhu and  Iqbaldeep Kaur and  Amit Verma and  Samriti Jindal and  Inderpreet Kaur and  Shilpi Kumari,  Face Recognition Using Eigen face Coefficients and Principal Component Analysis.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2009, vol. 28(4). 1039 - 1043
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/3288.