Ainurrozi, Afif Surya, Septyaningrum Putri Purwoto, and Agus Himawan. 2024. “Drill Training Method for 6 Weeks Improves Bottom Passing Ability at Volleyball Academy KU-17”. Journal of Sport and Exercise Science 6 (2):73-78. https://doi.org/10.26740/jses.v6n2.p73-78.