Danpradit P, Prasitsary N. Effects of the Health Belief Model Educational Program on Perceptions and Preventive Behaviors of COVID-19 in Secondary School Students : Effect of Educational Program on Prevention Behavior of COVID-19. Vajira Med J [internet]. 2023 Sep. 22 [cited 2026 Sep. 10];67(3):575-82. available from: https://he02.tci-thaijo.org/index.php/VMED/article/view/263414