Sornsnam, Wipakorn, Tanawat Ruamsook, Araya Tipwong, Rangsima Passara, and Nongluck Kaewtong. 2022. “Effects of health promoting model on health literacy and COVID-19 preventive behaviors among the elderly in elderly club in Bangkok Metropolis”. Thai Journal of Nursing 71 (4):1-9. https://he02.tci-thaijo.org/index.php/TJN/article/view/255717.