Fadhil, M. and Alficandra, A. (2024) “Contribution of Arm Muscle Explosive Power and Eye-Hand Coordination to Servicing Accuracy at SMPN 21 Pekanbaru Volleyball Club: Kontribusi Daya Ledak Otot Lengan Dan Koordinasi Mata -Tangan Terhadap Ketepatan Servis Atas Klub Bolavoli SMPN 21 Pekanbaru”, Jurnal Olahraga dan Kesehatan (ORKES), 3(1), pp. 15–25. doi: 10.56466/orkes/Vol3.Iss1.102.