Asst. Prof. Dr. Abdullah Mohammed Tiyawi. “The Effect of Cool-Down and Relaxation Exercises on Lactic Acid Concentration and the Dribbling and Passing Skills of Advanced Football Players”. Texas Journal of Multidisciplinary Studies, vol. 38, Nov. 2024, pp. 5-15, https://zienjournals.com/index.php/tjm/article/view/5665.