Rosaini, Henni, Rina Wahyuni, Sapra Nadia, Wahyu Sidoretno, and Yan Hendrika. “Nanocrystalline Toothpaste Formulation of Usnic Acid and Antibacterial Activity Test Against Streptococcus Mutans”. JPK : Jurnal Proteksi Kesehatan 12, no. 1 (July 24, 2023): 70-76. Accessed May 14, 2024. https://jurnal.pkr.ac.id/index.php/JPK/article/view/677.