Nhida AbeD ZaiD, Aied Hussein Abdul Amir, Firas Suhail Ibrahim. The effect of competitive exercises in the development of some forms of muscle strength and learning the skill of beating volleyball for students with outstanding performance. ms [Internet]. 2019 Mar. 30 [cited 2025 Mar. 31];18(1):103-14. Available from: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1409