Runghairun, Uraiwan. 2024. “Elderly Schools: The Quality of Life and Physical Fitness of the Elderly in Northeast Thailand (A Case Study of Elderly Schools in Uthai Sawan Sub-district, Nong Bua Lamphu Province, Na Mueang Sub-district Municipality, Roi Et Province, and Tabao Sub-district, Surin Province.)”. Thammasat Journal 43 (1):81-98. https://so05.tci-thaijo.org/index.php/tujo/article/view/272615.