Mohsen , A. (2011) “A comparative analysis of some Albayukinmetekih variables and efficiency ratio between certain types of skill transmission game of volleyball”, Journal of Physical Education, 23(4), p. 22. Available at: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1634 (Accessed: 17 May 2024).