Tirtaningrum, D.A. et al. 2018. Analisis Response Time Penatalaksanaan Rujukan Kegawatdaruratan Obstetri Ibu Hamil. Media Kesehatan Masyarakat Indonesia. 14, 2 (Jun. 2018), 139–146. DOI:https://doi.org/10.30597/mkmi.v14i2.2866.