Mohammed Deham, Ammera. “The Effect of Force-Speed and Explosive Strength Training on up-Hill on Mechanical Variables and Achievement in Long Jump”. Al-Rafidain Journal For Sport Sciences 19, no. 63 (December 1, 2013): 52–65. Accessed October 2, 2025. https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50743.