Comparative Effectiveness of Demonstration, Play, and Role-Play Methods on Handwashing Behavior Among Preschool Children in East Lampung. Journal of Community Health and Nursing (JCHN), [S. l.], v. 1, n. 1, p. 30–37, 2025. Disponível em: https://journal.img.co.id/index.php/jchn/article/view/37. Acesso em: 27 aug. 2025.