GE’E, G. G.; PURNAMA, T. Relay Ball Game as an Effort to Improve Oral Health Knowledge Among Elementary School Children. Journal Center of Excellent : Health Assistive Technology , [S. l.], v. 4, n. 2, p. 96–103, 2026. DOI: 10.36082/jchat.v4i2.3474. Disponível em: https://ejournal.poltekkesjakarta1.ac.id/index.php/jchat/article/view/3474. Acesso em: 14 nov. 2026.