AL-Roomy, J., جاسم, W. AL-Sumaydaee, and وضاح. “A Comparative Study for Different Age Groups in Learning Free Swimming”. Al-Rafidain Journal For Sport Sciences (RJSS), vol. 13, no. 45, June 2025, pp. 93-114, doi:10.33899/rajsport.2007.6194.