Christiana, Metta, Ahmad Muhaimin, and Andi Nurcahyo. “Elderly Activities To Keep Your Knee Healthy”. Jurnal EduHealth 14, no. 01 (February 14, 2023): 262–270. Accessed December 27, 2024. https://ejournal.seaninstitute.or.id/index.php/healt/article/view/1514.