Mohammed Khaleel, M., and N. Fathel Rashed. “The Effectiveness of Schmidt & Lee’s Design for The Retroactive Transfer of Technical- Performance Learning Effect to Passing and Shooting Skills in Handball”. Al-Rafidain Journal For Sport Sciences, vol. 26, no. 82, Nov. 2023, pp. 567-90, doi:10.33899/rjss.2023.18295016.