Gunawan, Sani, and Agum Amung Muharam. “Effect of Passing Training Variations on the Overhand Pass on Volleyball Games”. Jurnal Maenpo : Jurnal Pendidikan Jasmani Kesehatan Dan Rekreasi, vol. 12, no. 1, July 2022, pp. 90-104, doi:10.35194/jm.v12i1.2320.