Tuffahati Zalfa, Andi Muh Asrul Irawan, Zakia Umami, Lusi Anindia Rahmawati, and Andi Mukramin Yusuf. 2024. “Relationship Between Energy, Protein, Iron, and Calcium Intake With Hemoglobin Levels of Pregnant Women”. Journal of Health and Nutrition Research 3 (3):177-84. https://doi.org/10.56303/jhnresearch.v3i3.271.