Saiyasith, Paliya, Nutcharat Mangkarakeree, and Decha Tamdee. “Effects of a Health Belief Enhancing Program on Perception and Coronavirus 2019 Vaccination Receiving Among Elderly Population in Savannakhet Province, LAO PDR”. Journal of The Royal Thai Army Nurses 25, no. 1 (April 10, 2024): 248–256. Accessed May 22, 2024. https://he01.tci-thaijo.org/index.php/JRTAN/article/view/266075.