Hassan, Taraq. “The Effect of Special Exercises Using Interval Training To Develop Maximum Speed and Its Relationship With Psychological Endurance Strength In Advance Road Cyclists”. Journal of Physical Education 28, no. 2 (June 28, 2016): 136–153. Accessed June 30, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/219.