Utomo, Noor Setya, Sulaiman Sulaiman, and Nasuka Nasuka. “The Influence of Volley Training Method and Agility on Tennis Players’ Backhand Volley Accuracy”. Journal of Physical Education and Sports 8, no. 2 (November 23, 2018): 102-107. Accessed November 19, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/27303.