Lestari, Sri, and Aem Ismail. “Effect of Oral Health Education Using Poster Media on Knowledge Levels Among Elementary School Children in Surakarta, Indonesia”. Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal), vol. 12, no. 3, July 2026, pp. 515-22, doi:10.33755/jkk.v12i3.1046.