Dong-Young Yoo and  Jong-Whoi Shin and  Gang Shin Lee and  Jae-Il Lee,  Improve of Evaluation Method for Information Security Levels of CIIP (Critical Information Infrastructure Protection).   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2007, vol. 12(12). 3827 - 3831
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4172.