Silawan, T., Ninkarnjanakun, N., Ponsen, K. and Ouayswat, M. (2019) “Health threats and risk behaviors of the elderly in the semi-urban communities of Sung Noen District, Nakhon Ratchasima Province : Comparison between males and females”, Thai Journal of Health Education, 42(2), pp. 99–109. available at: https://he01.tci-thaijo.org/index.php/muhed/article/view/217250 (accessed: 13 September 2026).