Rifdiani, Izfa. “The Effect of Parity, Birth Weight Babies, Pregnancy Interval and a History Of Hemorrhage With The Incidence of Postpartum Hemorrhage”. Jurnal Berkala Epidemiologi 4, no. 3 (January 21, 2017): 396–407. Accessed November 27, 2024. https://e-journal.unair.ac.id/JBE/article/view/1625.