Vudhironarit, S., W. Pommala, and A. Satthathummarak. “Self-Care Experience of Bed-Bound Elderly”. Journal of The Royal Thai Army Nurses, vol. 21, no. 3, Dec. 2020, pp. 252-61, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/241394.