Hoyrat, P., and W. Mahamit. “Factors Affecting Self-Management of Older Persons After the COVID-19 Epidemic to the Next Normal, Mueang District Chaiyaphum Province”. Journal of Nursing and Public Health Research, vol. 5, no. 2, July 2025, p. e273439, https://he02.tci-thaijo.org/index.php/jnphr/article/view/273439.