Tirtaningrum, D. A., A. Sriatmi, and A. Suryoputro. “Analisis Response Time Penatalaksanaan Rujukan Kegawatdaruratan Obstetri Ibu Hamil”. Media Kesehatan Masyarakat Indonesia, vol. 14, no. 2, June 2018, pp. 139-46, doi:10.30597/mkmi.v14i2.2866.