Priyanto, Agus, Alvin Abdillah, and Halimatus Sadiyah. 2022. “The Effectiveness of Knee Exercise to Pain Intensity in Elderly Patients of Knee Osteoarthritis”. Journal of Scientific Research, Education, and Technology (JSRET) 1 (2):259-66. https://doi.org/10.58526/jsret.v1i2.33.