Khaydarov Mukhammad Rakhmonovich, “PRELIMINARY TRAINING IN THE GAME OF VOLLEYBALL AND ITS ESSENCE”, scientific, vol. 67, no. 1, pp. 81–84, Oct. 2024, Accessed: Nov. 06, 2024. [Online]. Available: https://modernedu-dv.com/index.php/PED/article/view/1241