Mustafa, Hussein, and Zaidoon Juad. “The Effect of Special Exercises Using Proposed Aids On Learning Long Jump Take off and Flight In National Center for Gifted in Athletics Aged (13-14 Years)”. Journal of Physical Education 31, no. 3 (September 28, 2019): 117–123. Accessed June 26, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/866.