Viamita, Fariza Ayang, Sendy Pratiwi Ramadhani, and Helni Anggraini. 2022. “Relationship of Parity, Nutritional Status, Gestational Age With Hemoglobin Levels of Pregnant Women at Sukajadi Health Center in 2020”. Science Midwifery 10 (2):812-18. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/363.