Yonni Siwi, R. P. (2021) “The Analysis of Factors Affecting Hemoglobin Levels in Pregnant Women”, Science Midwifery, 10(1, October), pp. 357–362. Available at: https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/208 (Accessed: 5 May 2026).