Flayih , Mustafa, و Hamid Mahdi. "The Effect of Preventive Exercises Using the (isometric) Method and Aids to Help Develop the Strength of the Thigh Muscles of the First-Class Referees of the Iraqi Premier League". Journal of Physical Education 35, no. 4 (ديسمبر 28, 2023): 1361–1343. تاريخ الوصول نوفمبر 25, 2024. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1944.