Ekphachaisawat, T. ., T. . Luecha, N. . Arnee, and J. . Sricharoen. “The Development of a Situation Test to Measure Psychological Well-Being of the Thai Elderly”. Princess of Naradhiwas University Journal of Humanities and Social Sciences, vol. 10, no. 2, July 2023, pp. 281-00, https://so05.tci-thaijo.org/index.php/pnuhuso/article/view/265122.