abass, karrar, and Muhanad Abd Alsatar. “Effect of Special Physical Exercises on Developing Power Define by Speed and Agility for Football Assistant Referees ”. Journal of Physical Education 35, no. 3 (September 28, 2023): 693–680. Accessed May 12, 2024. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1499.