WASET
    I. Kontorovich and  R. Zazkis,  Development of Researcher Knowledge in Mathematics Education: Towards a Confluence Framework.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2015, vol. 101(5). 1433 - 1438
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10001215.