nofrianti, ulfa, umar, umar, sari, suci and okilanda, ardo 2026. Pengaruh Latihan Circuit Training Berbasis Permainan Terhadap Kemampuan Groundstroke Forehand Pemain Tenis Lapangan Bitens Unp. Jurnal Gladiator. 6, 4 (Jul. 2026), 833-842. DOI:https://doi.org/10.24036/gltdor2414011.