Hastuti, Susanti Pudji, Devinta Lestari, and Yohanes Martono. “Determination of Fluoride Content in Toothpaste Using Spectrophotometry”. Dental Journal 46, no. 3 (September 1, 2013): 124–129. Accessed September 8, 2024. https://e-journal.unair.ac.id/MKG/article/view/771.