Abu-Shihab ع. ن. ., and Al- Smerat أ. خ. . “The Impact of Using Ballistic Training on Improving the Digital Performance Level of Junior Swimmers’ Butterfly Stroke”. مؤتة للدراسات الانسانية والاجتماعية, vol. 38, no. 4, Sept. 2023, doi:10.35682/mjhss.v38i4.722.