WASET
    Salam M. H. Kareem,  Effective Teaching Pyramid and Its Impact on Enhancing the Participation of Students in Swimming Classes.   journal   = {International Journal of Sport and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2020, vol. 158(2). 38 - 42
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/10011034.