Lalun, A. ., and S. . maneesri. “Perception and Physical Activities of Daily Living Among Elderly Patients at Naphai Sub District, Mueang District, Chaiyaphum Province”. UBRU Journal for Public Health Research, vol. 9, no. 1, June 2020, pp. 65-73, https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/243315.