(1)
Simanjuntak, J. J.; Lian, B.; Akhbar, M. T. The Effect of Wrist Flexibility Exercise Using a Bottle on the Ability of Smash Badminton at the Extracurricular of SMK Negeri 2 Palembang. J. Soc. Work Sci. Educ. 2023, 4, 584-590.