Prasetyo, Y.; Shafi, S. H. A.; Arjuna, F.; Rahayu, A.; Shahril, M. I. bin; Nor, M. A. M.; Otieno, E. O. The Effectiveness of Massage Gun Treatment Combined With Passive Stretching in Reducing Non-Specific Lower Back Pain. JK 2024, 12, 175-183.