Ulya, Yadul, Nurul Hikmah Annisa, and Susilia Idyawati. 2021. “Faktor Umur Dan Paritas Terhadap Kejadian Retensio Plasenta”. Indonesian Journal of Midwifery (IJM) 4 (1):51-56. https://doi.org/10.35473/ijm.v4i1.845.