ravshanov, nodir. «DEVELOPMENT OF CHILDREN AND TEENAGERS SPORTS SCHOOLS VOLLEYBALL PLAYERS JUMPING AND JUMPING ENDURANCE: DEVELOPMENT OF CHILDREN AND TEENAGERS SPORTS SCHOOLS VOLLEYBALL PLAYERS JUMPING AND JUMPING ENDURANCE». Физическое воспитание, спорт и здоровье, вып. 3, июнь 2022 г., https://history.jdpu.uz/index.php/pshedu/article/view/6386.