hendra, hendra 2023. The Contribution of Wrist Flexibility to Smash Accuracy in Volleyball Games Rajawali Club Athletes, Pelangiran District Indragiri Hilir Regency. Jurnal Olahraga Indragiri. 7, 1 (Apr. 2023), 26–32. DOI:https://doi.org/10.61672/joi.v7i1.2616.