Purakom, A. ., T. Kanleung, and T. Juntiya. “Teaching and Learning Process in Physical Activity for Older Adults in Kampheang Saen, Nakornpathom”. Journal of Education Studies, vol. 49, no. 4, Dec. 2021, p. EDUCU4904017 (14 pages) doi: 10.14456/educu.2021.76, https://so02.tci-thaijo.org/index.php/EDUCU/article/view/253664.