PHYSICAL TRAINING INDICATORS OF 11-12-YEAR-OLD BOXERS ENGAGED IN THE INITIAL PREPARATORY STAGE. Amer. Jour. of Inte. Rese. and Deve. [Internet]. 2022 Jul. 14 [cited 2026 Feb. 1];6:52-6. Available from: https://ajird.journalspark.org/index.php/ajird/article/view/169