Yasser Mohammed Hamoud and Huda Qahtan Tuma, “The effect of the 30-m stair training for primary school students”, ms, vol. 18, no. 2, pp. 301–312, Jun. 2019, Accessed: Apr. 03, 2025. [Online]. Available: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1595