Polpijit, Chanatip, Chomnapat Maneerat, Keskaew Wimonmala, and Pensriri Santayopat. “Ability to Perform Daily Activities of the Elderly in Bangkok Metropolis”. Kuakarun Journal of Nursing 27, no. 2 (December 21, 2020): 103–115. Accessed May 2, 2024. https://he01.tci-thaijo.org/index.php/kcn/article/view/245524.