Rosaini, H., Wahyuni, R., Nadia, S., Sidoretno, W., & Hendrika, Y. (2023). Nanocrystalline Toothpaste Formulation of Usnic Acid and Antibacterial Activity Test Against Streptococcus Mutans. JPK : Jurnal Proteksi Kesehatan, 12(1), 70-76. https://doi.org/10.36929/jpk.v12i1.677