Ismail Celik and  Ismail Sahin and  Fetah Eren,  Metaphorical Perceptions of Middle School Students Regarding Computer Games.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 92(8). 2552 - 2557
    [viewed 14 July 2020]. Available from: https://publications.waset.org/pdf/9999067.