Maskasame, S., Sinsupan, N., Intarakhao, C., Na Nakorn, S., Osaka, R. and Pariyanonda, S. (2013) “Elderly’s Health Survey in Nam Phon : A Case Study”, Srinagarind Medical Journal, 11(4), pp. 211–218. available at: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13944 (accessed: 17 September 2026).