WASET
    Anita Kéri,  Developing a Customizable Serious Game and Its Applicability in the Classroom.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2019, vol. 149(5). 565 - 572
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10010326.