Derraa، Y.، و Malek، R. (2023). The Effect of Combined Plyometric Training and Sprint with Change of Direction on Repeated Change of Direction and Repeated Sprint Ability in U. 19 Soccer Players. مجلة التحدي، مج15, ع2 ، 553 - 568. مسترجع من http://search.mandumah.com/Record/1398455
Derraa، Yazid، و Ridha Malek. "The Effect of Combined Plyometric Training and Sprint With Change of Direction On Repeated Change of Direction and Repeated Sprint Ability in U. 19 Soccer Players." مجلة التحدي مج15, ع2 (2023): 553 - 568. مسترجع من http://search.mandumah.com/Record/1398455