Aprilo, I. et al. 2023. WORKSHOP COILING EXERCISES ON TENNIS SPIN SERVE WITH KINOVEA. J-ABDI: Jurnal Pengabdian kepada Masyarakat. 2, 10 (Mar. 2023), 6661–6666. DOI:https://doi.org/10.53625/jabdi.v2i10.5190.