Tirtaningrum, Dwi Ayu, Ayun Sriatmi, and Antono Suryoputro. 2018. “Analisis Response Time Penatalaksanaan Rujukan Kegawatdaruratan Obstetri Ibu Hamil”. Media Kesehatan Masyarakat Indonesia 14 (2):139-46. https://doi.org/10.30597/mkmi.v14i2.2866.