Badriyah, Nurul, Hasmiwati, and Desmiwarti. 2021. “Relation Between of Nutritional Status and Vitamin C Conditions With Hemoglobin Levels in Anemic Pregnant Women in The Working Area of Pauh Public Health Center, Padang City”. Science Midwifery 9 (2):317-22. https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/104.