Abdul Karim Jassem, M., and معن. “The Effect of Skillful Exercises by Both Training Methods , The Repetition and Interval in Some Basic Skills of Youth Football Players”. Al-Rafidain Journal For Sport Sciences (RJSS), vol. 20, no. 65, June 2025, pp. 145-68, doi:10.33899/rajsport.2014.89576.