XALMATOVA NASIBA BOZARBOYEVNA. MODERNIZATION OF THE SYSTEM FOR SELECTING AND PHYSICALLY TRAINING YOUNG HANDBALL PLAYERS. Research Focus International Scientific Journal, [S. l.], v. 4, n. 9, p. 109–112, 2025. Disponível em: https://refocus.uz/index.php/1/article/view/1773. Acesso em: 21 dec. 2025.