Widyaningrum, Linda, Didik Tamtomo, and Arief Suryono. 2016. “Evaluation on the Implementation of Regional Mapping Referal System in the National Health Insurance Primary Care Services in Boyolali, Central Java”. Journal of Health Policy and Management 1 (2):100-108. http://www.thejhpm.com/index.php/thejhpm/article/view/16.