Heepkaew, A., & Heebkaew Padchasuwan, N. (2022). Effects of Oral Health Literacy and Social Support Program for Gingivitis Disease Prevention Among Village Health Volunteers in Chiangyuen District Mahasarakham Province. Thai Journal of Health Education, 45(2), 72–87. retrieved from https://he01.tci-thaijo.org/index.php/muhed/article/view/260863