Arayasajapong, W., S. Pinagalung, P. Srisuruk, S. Paholpak, and K. Mongput. “Factors Related to Healthy Aging Among Older Persons”. The Journal of Behavioral Science, vol. 16, no. 3, Sept. 2021, pp. 59-71, https://so06.tci-thaijo.org/index.php/IJBS/article/view/251639.