أ.د. لمى سمير ساية سامي. “Mental Motivation and Its Relationship to the Performance of the Skill of Receiving the Transmitter in Volleyball”. Modern Sport 19, no. 4 (December 30, 2020): 0039. Accessed April 30, 2024. https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/638.