E Effectiveness Of Maternal Purple Sweet Potato Feeding On Increasing Hemoglobin Levels :Narrative Review: Efektivitas Pemberian Ubi Jalar Ungu Pada Ibu Terhadap Peningkatan Kadar Hemoglobin :Narrative Review. Proceeding Of Sari Mulia University Midwifery National Seminars, [S. l.], v. 3, n. 1, p. 179–194, 2021. DOI: 10.33859/psmumns.v3i1.809. Disponível em: https://ocs.unism.ac.id/index.php/PROBID/article/view/809.. Acesso em: 19 apr. 2025.