งามศรี มะลิสา. “The Perception of Quality of Life Based on Sufficiency Economy of Elderly People in Lao Suea Kok District at Ubon Ratchathani Province”. UBRU Journal for Public Health Research 7, no. 2 (February 7, 2019): 58–69. Accessed April 18, 2024. https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/170985.