RosainiH., WahyuniR., NadiaS., SidoretnoW., and HendrikaY. “Nanocrystalline Toothpaste Formulation of Usnic Acid and Antibacterial Activity Test Against Streptococcus Mutans”. JPK : Jurnal Proteksi Kesehatan, Vol. 12, no. 1, July 2023, pp. 70-76, doi:10.36929/jpk.v12i1.677.