Nur, M., M. A. Mappaompo, J. Juhanis, A. Awal, and D. Purwanto. “Improving Drive Strokes of Beginner Tennis Players through Hand-Eye Coordination-Based Training Methods”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, Vol. 10, no. 2, Sept. 2024, pp. 305-19, doi:10.29407/js_unpgri.v10i2.23469.