Prastiwi, D.O.W. et al. 2026. Preliminary Study Correlation between Hemoglobin Levels and Breast Milk Protein Levels in Breastfeeding Mothers in Working Area Of Kedungkandang Community Health Center, Malang City. PHARMADEMICA : Jurnal Kefarmasian dan Gizi. 6, 1 (Aug. 2026), 1–13. DOI:https://doi.org/10.54445/pharmademica.v6i1.196.