มูลทิ จ. (2021) “Factors Influencing Preventive Behavior of Coronavirus Disease 2019 Among Village Health Volunteers in Kong Krailat District, Sukhothai Province”, Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima, 27(2), pp. 5–14. available at: https://he02.tci-thaijo.org/index.php/ODPC9/article/view/249484 (accessed: 28 September 2026).