abass karrar, Abd Alsatar M. Effect of Special physical exercises on developing power define by speed and agility for football assistant referees . jope [Internet]. 2023 Sep. 28 [cited 2026 Jul. 6];35(3):693-80. Available from: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1499