Srijomthong, D. ., S. . Putthinoi, and A. Punyakaew. “Active ageing level and interest in activities among older people in community group membership, Chiang Mai, Thailand”. Journal of Associated Medical Sciences, vol. 58, no. 3, July 2025, pp. 184-90, https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/276192.