Lasiga, M. N., and R. Handoyo. “Effect of Additional Extracorporeal Shockwave Therapy on Knee Functional Score: A Study in Patients With Knee Osteoarthritis Receiving Quadriceps Set Exercises”. Indonesian Journal of Physical Medicine and Rehabilitation, Vol. 15, no. 1, July 2026, pp. 18 -24, doi:10.36803/indojpmr.v15i1.476.