Rachman, Muhammad, Soedjatmiko Soedjatmiko, and Margono Margono. “PERBEDAAN LATIHAN BACKHAND DRIVE TENIS MENGGUNAKAN FIXED TARGET DAN MOVING TARGET”. Unnes Journal of Sport Sciences 4, no. 2 (December 1, 2015). Accessed May 1, 2024. https://journal.unnes.ac.id/sju/ujss/article/view/8641.