Abd Elkhalek, Sirhank. “The Effect of Different Levels of Training Speed and Accuracy in the Development of Performance Skill Scoring Football”. Journal of Physical Education 27, no. 3 (September 28, 2015): 76–86. Accessed July 2, 2026. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/612.