Srisen, Numfon, Songkramchai Leethongdee, and Wirote Semrhum. 2020. “Development of the Elderly Care Model in Community through a Senior Citizen School in Sang-Thor Sub-District, Khueng-Nai District, Ubon Ratchathani Province”. UBRU Journal for Public Health Research 9 (1), 31-41. https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/243312.