Flayih M, Mahdi H. 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. jope [انترنت]. 28 ديسمبر، 2023 [وثق 6 أكتوبر، 2024];35(4):1361-43. موجود في: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1944