Abdulkader Ali, R., and maan abdulkareem jasim. “The Effect of Ball Retention Exercises According to the Tactical (Rondo) on a Functional Variables of Advanced Soccer Players”. Al-Rafidain Journal For Sport Sciences, vol. 26, no. 83, Nov. 2023, pp. 399-14, doi:10.33899/rjss.2024.143320.120013.