Prasertsin, Ujsara, Tatcha Suriyo, and Papon Nutmatawin. “Well-Being of Elderly People: The Various Concepts and Factors Involved”. Thai Journal of Health Education 41, no. 1 (July 12, 2018): 1–15. accessed September 12, 2026. https://he01.tci-thaijo.org/index.php/muhed/article/view/136393.