Hussein Hamza, Raad, and Ismail Salim Abd. “Jumping Exercises Influence in the Development of Transitional Speed and the Speed of Rolling Football”. Journal of Physical Education 24, no. 3 (September 28, 2012): 19. Accessed July 3, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1752.