Thamer, Wathiq, and Iman Abed al ameer. β€œThe Effect of Fartlik And Hill Style (Consequence & Intermitted) Using Treadmill For Developing Leg Muscular Strength and 400m Running Achievement In Physically Disabled (46 – 47)”. Journal of Physical Education 31, no. 3 (September 28, 2019): 258–266. Accessed June 24, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/882.