Jabar, Abeduljaleel, and Mohammed Qusi. “Effect of Using F Three Methods to Develop Flexibility Among School Age Boxers (12-14 Years)”. Journal of Physical Education 26, no. 2 (June 28, 2014): 207–223. Accessed May 18, 2024. https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/88.