Hubungan Kecukupan Zat Besi, Asam Folat, Pengetahuan dan Sosial Ekonomi dengan Kejadian Anemia pada Ibu Hamil di Wilayah Landasan Ulin Timur
The Relationship Between Iron Sufficiency, Folic Acid, Knowledge and Socio-Economic to Incidence of Anemia Among Pregnant Women in East Landasan Ulin