Eiko Takaoka and  Yoshiyuki Fukushima and  Koichiro Hirose and  Tadashi Hasegawa,  Learning Based On Computer Science Unplugged in Computer Science Education: Design, Development, and Assessment.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 91(7). 2102 - 2107
    [viewed 20 October 2019]. Available from: https://publications.waset.org/pdf/9998703.