Astoeti, Tri Erri. “Patient Safety Oriented to Improve Patient Retention in Oral Health Services”. Dental Journal (Majalah Kedokteran Gigi) 42, no. 1 (March 1, 2009): 50–53. Accessed October 4, 2025. https://e-journal.unair.ac.id/MKG/article/view/979.