Tingkat pengetahuan ibu hamil terhadap pentingnya zat besi pada masa kehamilan. Nautical : Jurnal Ilmiah Multidisiplin Indonesia, [S. l.], v. 1, n. 6, p. 449–451, 2022. DOI: 10.55904/nautical.v1i6.388. Disponível em: https://jurnal.arkainstitute.co.id/index.php/nautical/article/view/388. Acesso em: 19 oct. 2025.