Wulandari, Elza, 		Subani, Pitri, AND 		Samsulsia, Samsulsia.
" HUBUNGAN RIWAYAT ABORTUS DENGAN RETENSIO PLASENTA PADA IBU BERSALIN" <em>MIDWIFERY HEALTH JOURNAL</em> [Online], Volume 4 Number 2 (28 August 2019)