Suttagul, Kanokwan, and Pornsuk Hunnirun. “Development of Oral Health Literacy Model for Elementary School Students in Health Region 5”. NU Journal of Nursing and Health Sciences 13, no. 4 (December 26, 2019): 135–149. Accessed March 29, 2024. https://he01.tci-thaijo.org/index.php/NurseNu/article/view/221173.