Irianti, Amaliyah Nur, Sri Kuswandari, and Al Supartinah Santoso. “Effect of Formula Milk on the Roughness and Hardness of Tooth Enamel”. Dental Journal 54, no. 2 (June 3, 2021): 78–81. Accessed June 7, 2025. https://e-journal.unair.ac.id/MKG/article/view/25849.