Pusponegoro, Arietta R. D., Chakti A. Swastika, and Junita Indarti. “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, no. 2 (April 28, 2022): 65–71. Accessed March 6, 2026. https://inajog.com/index.php/journal/article/view/1651.