Pirograd, P. and Keeratisiroj, O. K. (2019) “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(2), pp. 110–122. available at: https://he01.tci-thaijo.org/index.php/muhed/article/view/224504 (accessed: 14 September 2026).