Pusponegoro, Arietta R. D., Chakti A. Swastika, and Junita Indarti. 2022. “Obstetric Referral System During COVID-19 Pandemic : Tertiary Referral Hospital Perspective: Istem Rujukan Obstetri Dalam Masa Pandemi COVID-19 : Perspektif Rumah Sakit Rujukan Tersier”. Indonesian Journal of Obstetrics and Gynecology 10 (2):65-71. https://doi.org/10.32771/inajog.v10i2.1651.