Qasem S, Shakir Z. Using Agility Exercises For Developing Some Refereeing Skills Of First Class Assistant Referees In Baghdad. jope [Internet]. 2018 Mar. 28 [cited 2026 Jul. 6];30(1):287-99. Available from: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/334