Sirait, L.I. et al. 2024. Nutritional Optimization: Chronic Energy Deficiency Intervention for Pregnant Women by Consuming Sandwich Biscuits and Chicken Eggs. Jurnal Bidan Cerdas. 6, 2 (Jun. 2024), 122–132. DOI:https://doi.org/10.33860/jbc.v6i2.3756.