Irvan. “The Effect Of Multiball Training Methods On Forehand Ability In The Squash Game Of UNM FIK Students”. Journal Physical Health Recreation (JPHR) 4, no. 1 (November 30, 2023): 121–126. Accessed August 17, 2026. https://jurnal.stokbinaguna.ac.id/index.php/JPHR/article/view/1591.