Wati, T.S.D. and Adina Fistabilarawi 2020. Description of Knowledge of Pregnant Women About Anemia in Batu Malenggang Village, Hinai District, Langkat Regency. Science Midwifery. 8, 2, April (Apr. 2020), 135–141. DOI:https://doi.org/10.35335/midwifery.v9i1, Oktober.663.