UMURKULOVA, Dilrabo, and Aksam USMONOV. “MENTAL TOUGHNESS OF YOUNG TENNIS PLAYERS. METHODICAL METHODS OF ACHIEVING MENTAL STABILITY”. «ACTA NUUz» 1, no. 1.5.1 (October 30, 2024): 224–226. Accessed December 5, 2025. http://journals.nuu.uz/index.php/actanuuz/article/view/4850.