Mariati, Mizawati, A., & Maigoda, T. C. . (2023). The Effect of Red Spinach Juice + Fe Tablets on Increased Hemoglobin Levels in Pregnant Women. Jurnal Penelitian Pendidikan IPA, 9(12), 11325–11332. https://doi.org/10.29303/jppipa.v9i12.5085