WASET
    M. Rodionov and  N. Sharapova and  Z. Dedovets,  The Use of Different Methodological Approaches to Teaching Mathematics at Secondary Level.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2019, vol. 149(5). 619 - 625
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10010359.