CAHYANI, A.; YULITA, I. .; NURILAWATY, V. . Effect of Toothbrushing Demonstration Method on Students Knowledge of Gingival Recession. Journal Center of Excellent : Health Assistive Technology , [S. l.], v. 4, n. 1, p. 70–74, 2026. DOI: 10.36082/jchat.v4i1.3082. Disponível em: https://ejournal.poltekkesjakarta1.ac.id/index.php/jchat/article/view/3082. Acesso em: 14 nov. 2026.