HENRI HARTMAN; GINA ISABELINA SUSENO; MARLIN HIMAWATI. Children’s Aged 9 - 12 Years Knowledge About Toothbrushes Cleanliness. Jurnal EduHealth, [S. l.], v. 13, n. 01, p. 37–42, 2022. Disponível em: https://ejournal.seaninstitute.or.id/index.php/healt/article/view/289. Acesso em: 9 jan. 2025.