Taufikurohmah, Titik, I. Gusti Made Sanjaya, Afaf Baktir, and Achmad Syahrani. “Stability of Colloidal Silver Nanoparticles Synthesized With Variance Silver Ions As Antimicrobial in Cosmetic Formulation”. Asian Journal of Chemistry 27, no. 4 (February 4, 2015): 1525–1528. Accessed July 18, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_4_77.