Safitri, L. E., A. Azka, Y. Manggandhi, N. H. Dewi, F. Hidayah, H. Prianggi, A. U. Suparno, I. G. B. Panji Widyatmaja, D. Marwanto, and F. Efffendi. “Relationship Between Quality of Health Services and Patient Satisfaction in Oral and Dental Patients”. Journal of Health Policy and Management, vol. 6, no. 3, Sept. 2021, pp. 233-41, https://thejhpm.com/index.php/thejhpm/article/view/287.