Essam, Athear, and Ahmed Nagi. “The Effect of Competitive Small Exercises on the Development of Football Primer Club Players’ Speed Types”. Journal of Physical Education 31, no. 2 (June 28, 2019): 18–26. Accessed June 28, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/902.