Gani, Basri A., Cut Soraya, Sunnati Sunnati, Abdillah Imron Nasution, Nurfal Zikri, and Rina Rahadianur. 2012. “The PH Changes of Artificial Saliva After Interaction With Oral of Artificial Saliva After Interaction With Oral Micropathogen”. Dental Journal 45 (4):234-38. https://doi.org/10.20473/j.djmkg.v45.i4.p234-238.