Pradopo, Seno. “The Colony Number of Streptococcus Mutans and Lactobacillus in Saliva of Dental Caries and Free Caries Children”. Dental Journal 41, no. 2 (June 1, 2008): 53–55. Accessed September 17, 2024. https://e-journal.unair.ac.id/MKG/article/view/1003.