singpunya, jitrada, W. Srithumsuk, N. Nilnate, B. Klinmalee, B. Maytharit, and A. wangthanom. “Social Activities Participation Model of Older Person in Ban Mor Sub-District, Muang District, Phetchaburi Province”. Journal of The Royal Thai Army Nurses, vol. 20, no. 2, Aug. 2019, pp. 150-9, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/170469.