AsihH., FatimahS., MulyantiS. and NingrumN. 2024. The Relationship between Knowledge of Oral Health Maintenance with the Incidence of Gingivitis in Traders. JPK : Jurnal Proteksi Kesehatan. 13, 2 (Nov. 2024), 118-123. DOI:https://doi.org/10.36929/jpk.v13i2.862.