Amjad Abdul Ali, Ahmed Abdul Ameer Hamzah, and Tahir Yahia. 2019. “The Impact of the Training Program and the Irregular Interruption in the Performance of the Skill and Some Physiological Indicators of Young Football Players”. Modern Sport 18 (1): 115-30. https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1015.