Tawfeq, Abaas, and Kamal Jalal. “Mental Speed Exercises and Their Effect on Some Special Abilities and Punches Speed in Young Boxers”. Journal of Physical Education 35, no. 1 (March 28, 2023): 247–256. Accessed July 4, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1427.