Nurhayati, Ummy A’isyah, Tri Laksono, and Baiq Nurul Hasnawati. 2024. “Correlation of Fitness Levels With Physical Activity in Elderly Patients in Yogyakarta, Indonesia”. Jurnal Keterapian Fisik 9 (1):47-58. https://doi.org/10.37341/jkf.v9i1.434.