THE EFFECT OF SIMULTANEOUS COMPETITION EXERCISES WITH THE (CROSS FIT) ON THE PERFORMANCE ENDURANCE OF YOUNG SOCCER PLAYERS. Amer. Jour. of Peda. and Educ. Rese. [Internet]. 2023 Apr. 21 [cited 2026 Jan. 1];11:235-54. Available from: https://americanjournal.org/index.php/ajper/article/view/694