CHOTIGAKHAM, T. The Effectiveness of Program Happiness in Elderly: A case Study of Elderly in Dongtakop Sub-district, Taphanhin District, Phichit Province. Journal of Disease and Health Risk DPC.3, Nakhon Sawan, Thailand, v. 16, n. 1, p. 18–34, 2022. Disponível em: https://he01.tci-thaijo.org/index.php/JDPC3/article/view/252220. Acesso em: 25 apr. 2024.