Maad Maan Alawi, Muin Ali Obeid, and Zaid Ali Obeid. 2019. “Some of the Variables Biokenmatics and the Relationship Between the Accuracy of the Performance of the Skill Spike Front (country) Volleyball of Kirkuk University Team”. Modern Sport 18 (4): 35-46. https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1445.