FEATURES OF SELF-ESTEEM AND ITS INFLUENCE ON THE EFFECTIVENESS OF COMPETITIVE ACTIVITY OF QUALIFIED TAEKWONDO ATHLETES. СНЗЛ [інтернет]. 14, Листопад 2021 [цит. за 01, Серпень 2025];(2(6). доступний у: http://sporthealth.kubg.edu.ua/article/view/244283