WASET
    A. Mitra and  Y. V. Subba Rao and  S. R. M. Prasanna,  A New Image Encryption Approach using Combinational Permutation Techniques.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2008, vol. 14(2). 576 - 580
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/13477.