Esra Bukova-Güzel and  Berna Cantürk-Günhan,  Prospective Mathematics Teachers' Views about Using Flash Animations in Mathematics Lessons.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2010, vol. 39(3). 210 - 215
    [viewed 30 January 2020]. Available from: https://publications.waset.org/pdf/15846.