Sihombingr, C.; Cui, Z.; Aulia Nanda, F.; Jusnita Samosir, H.; Mazdalifah, N. MIDWIFE CARE IN NY. W 29 YEARS OLD WITH RETENTION OF PLACENTA IN THE MIDWIFE CLINIC L. PANGARIBUAN VILLAGE SIMANTIN PANE DAME OF THE YEAR 2020. IHERT 2021, 3, 133-146.