Olaf Hallan Graven and  Dag Andreas Hals Samuelsen,  The use of a Bespoke Computer Game For Teaching Analogue Electronics.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 1014 - 1020
    [viewed 18 October 2019]. Available from: https://publications.waset.org/pdf/6172.