abdulkareem jasim, maan, and Azad Shams Al-Deen. 2021. “The Effect of Two Methods of Ballistic Resistance Training on Some Aspects of the Strength of the Lower Body in the Long Jump of the Specialized School Athletes”. Al-Rafidain Journal For Sport Sciences 24 (75):214-27. https://doi.org/10.33899/rjss.2021.169821.