ِAbdulghani Muhanned Yaseen, and Ehab Dakhil. “The Effect of Special Teaching – Training Exercises For Developing Youth Long Jump Launch and Achievement”. Journal of Physical Education 29, no. 4 (December 28, 2017): 114–136. Accessed June 23, 2026. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/272.