Basuki, R., N. S. Dewi, D. A. . Rizqulloh, and S. Pranata. “EFFECT OF QUADRICEPS ISOMETRIC EXERCISE ON REDUCING PAIN IN ELDERLY COMMUNITIES WITH KNEE OSTEOARTHRITIS”. Journal of Vocational Health Studies, vol. 7, no. 3, Mar. 2024, pp. 188-93, doi:10.20473/jvhs.V7.I3.2024.188-193.