AHMAD FAISAL WARUHU; NURKADRI; RONALDO SAGALA; ADAM YUSRIL MAHENDRA; KRISWANDOYO; LAURENCIA AVERINA. The Effect of Arm Muscle Training on Back Hand Strokes in Court Tennis. Jurnal Pendidikan Jasmani (JPJ), v. 4, n. 2, p. 280-285, 30 Dec. 2023.