Khaled, Waled, and Wesam Hussein. “The Effects of Special Exercises in Developing Some of Mechanical Changes for Close Runand Rising up and the High Jump Achievement According to Fosbory Flop Method”. Journal of Physical Education 26, no. 3 (September 28, 2014): 41–52. Accessed May 17, 2024. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/256.