حسين رعد, قاسم خلف صباح, and مهنا عناد سمير. “Determine the Controls for Nomination to the List of International Football Referees”. Journal of Physical Education 20, no. 2 (June 1, 2019): 134–149. Accessed June 27, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/768.