Sodsee, Anuphong, Nalinee Na Nakorn, and Sungworn Ngudgratoke. “The Development of the Oral Health Literacy Test in Grade 4-6 Students”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 8, no. 1 (April 26, 2020): 52–64. Accessed April 19, 2024. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/241435.