Sripanya , Benyapha, Chatchai Phirawatthakul, and On-jira Wong-arsa. 2026. “Prevalence and Risk Factors of Frailty among Aged 50 Years and Over in Sakon Nakhon Province”. The Journal of Chulabhorn Royal Academy 8 (2). Bangkok, Thailand:97-105. https://he02.tci-thaijo.org/index.php/jcra/article/view/276543.