2025. The Effect of Wrist Flexibility and Arm Muscle Strength On The Accuracy of Backhand Backspin Service At The Pingpong Community Club of Bulukumba Regency. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga. 17, 1 (Feb. 2025), 278–292. DOI:https://doi.org/10.26858/cjpko.v17i1.71202.