Savirasarid, Navamin, Sudsabuy Chulakdabba, and Gobhathai Sittironnarit. “The Selected Factors Related to Quality of Life of Elderly People in Bangkok”. Journal of the Psychiatric Association of Thailand 54, no. 1 (March 28, 2013): 55–62. Accessed May 22, 2022. https://he01.tci-thaijo.org/index.php/JPAT/article/view/7525.