Munpolsri, S., and N. H. Padchasuwan. “Association Between Oral Health Literacy and Oral Health Status in Pregnant Women, Nhongkhai Province”. JOURNAL OF REGIONAL HEALH PROMOTION CENTRE 7 KHONKAEN, vol. 16, no. 1, Mar. 2024, pp. 18-30, https://he01.tci-thaijo.org/index.php/johpc7/article/view/264790.