Pares, R., A. Alnedral, H. Irawadi, and S. Sari. “Pengaruh Latihan Drill Terhadap Kemampuan Groundstroke Atlet Tenis Squad (PATEN SQUAD)”. Jurnal Gladiator, Vol. 5, no. 8, Aug. 2025, pp. 1101-9, doi:10.24036/gltdor2028011.