Seehawong, Montakan. “Health Perception Associated With Oral Health Behaviors of the Elders in Phetchabun Municipality, Muang District, Phetchabun Province”. Journal of Health Science of Thailand 28, no. 3 (June 29, 2019): 418–431. Accessed July 18, 2024. https://thaidj.org/index.php/JHS/article/view/7188.