Mohammed Hasan Z. The Effect of Backward Learning on Performing Some Judo skills for First Year Students of Physical Education and sports Science College / University of Baghdad. jope [Internet]. 2019 Dec. 28 [cited 2026 Jul. 2];31(4):12-6. Available from: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/885