Sasang, N., Chusak, T. and Jumneansuk, A. (2026) “Factors Associated with Happiness in Life among Elderly in Phra Nakhon Si Ayutthaya Province”, Journal of The Royal Thai Army Nurses, 27(1), pp. 616–624. available at: https://he01.tci-thaijo.org/index.php/JRTAN/article/view/284493 (accessed: 19 September 2026).