Saba, Ahmed, Kahlil Sattar, and Ahmed Dari. “Standardizing Compound Skill Tests (Physical – Motor) For Some Artistic Skills Of Volleyball Premier Players”. Journal of Physical Education 30, no. 1 (March 28, 2018): 162–186. Accessed July 7, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/326.