WASET
    Jong-Whoi Shin and  Jin-Tae Lee and  Sang-Soo Jang and  Jae-II Lee,  ISCS (Information Security Check Service) for the Safety and Reliability of Communications.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2007, vol. 6(6). 1730 - 1733
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10591.