Namarach, Katna, and Pornsuk Hunnirun. “Development of Health Oral Health Literacy Model about Oral Cancer Prevention of Older Adults in the 4TH Regional Health Ministry of Public Health”. Thai Dental Public Health Journal 30 (December 25, 2025): 150–162. accessed September 18, 2026. https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/278571.