Yusra, Yusra, and Maryati Sutarno. “The Effect of Giving Green Spinach Juice on Hemoglobin Levels Among Pregnant Women ”. Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal) 10, no. 4 (August 31, 2024). Accessed September 11, 2025. https://journal.stikep-ppnijabar.ac.id/jkk/article/view/737.