Nasrulloh, Ahmad. “AEROBIC EXERCISE COMBINED WITH TECHNIQUES PROGRAME CAN BE INCREASED GROUNDSTROKE SKILL OF TENNIS ATHLET”. Jorpres (Jurnal Olahraga Prestasi) 8, no. 2 (August 5, 2016): 79–90. Accessed July 7, 2025. https://jurnal.uny.ac.id/index.php/jorpres/article/view/10295.