Ubbiev Bakhyt Amangeldievich. (2024). IMPROVING THE PERFORMANCE OF SPEED AND STRENGTH ABILITIES OF ATHLETES AGED 11-12 YEARS BASED ON THE USE OF A SET OF SPECIAL EXERCISES. Web of Teachers: Inderscience Research, 2(4), 87–92. Retrieved from https://webofjournals.com/index.php/1/article/view/1118