Thammakun, Theerawut, Malinee Somphobcharoen, Tharadol Kengganpanich, and Mondha Kengganpanich. “An Application of the Protection Motivation Theory on Primary Tooth Decay Prevention Through Preschool Children Parents at Mueang District, Nakhonratchasima Province*”. Thai Journal of Health Education 34, no. 3 (February 22, 2019): 9–24. accessed September 11, 2026. https://he01.tci-thaijo.org/index.php/muhed/article/view/173952.