Kembaren, R.A.S. and Siregar, I. 2024. The Effect of Backhand Groundstroke Training Variations on Backhand Ability in the Unimed Court Tennis Community in 2022. Journal of Indonesian Active in Sports. 1, 1 (Feb. 2024), 35–42. DOI:https://doi.org/10.24114/jias.v1i1.52373.