JIRAWONGNUSORN, S. Development of Happiness Model for the Elderly. Journal of Multidisciplinary in Humanities and Social Sciences, [S. l.], v. 6, n. 4, p. 2230–2251, 2023. Disponível em: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/266020. Acesso em: 16 sep. 2026.