Junwin, Boonprajuk. “Association Between Health Motivation, Influence of Person and Perception of COVID-19 With Illness of COVID-19 in Surveillance Areas Among People, Nakhon Si Thammarat Province”. Health Science Journal of Thailand 5, no. 1 (November 11, 2022): 10–17. Accessed March 29, 2024. https://he02.tci-thaijo.org/index.php/HSJT/article/view/256848.