يونس ذنون م. (2007) “The Effect of Warm–Up Period in Level of Performance and Speed of Recovery in Maximum Intensity Test”, College of Basic Education Research Journal, 5(4), pp. 97–220. Available at: https://berj.uomosul.edu.iq/index.php/berj/article/view/39888 (Accessed: 3 November 2025).