WASET
    Min-Shiang Hwang and  Cheng-Chi Lee and  Shiang-Feng Tzeng,  A New Knapsack Public-Key Cryptosystem Based on Permutation Combination Algorithm.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2009, vol. 33(9). 2291 - 2296
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/1875.