Kurniawan, H. D., D. Tamtomo, and B. Murti. “Contextual Effect of Community Health Center on Patient Satisfaction of Health Care Service in Ngawi, East Java”. Journal of Health Policy and Management, vol. 4, no. 1, Jan. 2019, pp. 23-30, http://www.thejhpm.com/index.php/thejhpm/article/view/77.