Yoelao, Dusadee, Piyarat Thammapitak, and Ujsara Prasertsin. “Causes and Effects of Depression and Anxiety Disorders Among the Elderly in Thailand”. The Journal of Behavioral Science 11, no. 2 (July 25, 2016): 51–62. Accessed March 29, 2024. https://so06.tci-thaijo.org/index.php/IJBS/article/view/63279.