Pirograd, Paisit, and Orawan Keeratisiroj Keeratisiroj. “The Effects of a Self-Efficacy Application Program on Dental Health Care Behavior Among Older Adults in an Elderly Club, Lablae District, Uttaradit Province”. Thai Journal of Health Education 42, no. 2 (November 18, 2019): 110–122. accessed September 11, 2026. https://he01.tci-thaijo.org/index.php/muhed/article/view/224504.