Werunat, Monsicha, Sutteeporn Moolsart, and Kitsanaporn Tipkanjanaraykha. “The Effectiveness of a Health Literacy Development Program in Coronavirus 2019 Prevention for Older Adults With Diabetes Mellitus in Phra Nakhon Si Ayutthaya Province”. Journal of The Royal Thai Army Nurses 23, no. 3 (January 2, 2023): 447–456. Accessed April 28, 2024. https://he01.tci-thaijo.org/index.php/JRTAN/article/view/256449.