Bunthan, W., P. Whaikit, V. Soysang, C. Soynahk, P. Akaratanapol, and J. Kompayak. “FACTOR INFLUENCING TO HEALTH PROMOTION BEHAVIOR FOR CORONAVIRUS DISEASE 2019 (COVID-19) PREVENTION OF OLDER ADULTS”. JOURNAL OF THE POLICE NURSES AND HEALTH SCIENCE, vol. 12, no. 2, Dec. 2020, pp. 323-37, https://he01.tci-thaijo.org/index.php/policenurse/article/view/242662.