Hilaliah, et al. “Relationship Of Obesity, Anxiety Level And Sleep Quality In Pregnant Women With Preeclamsia In Rsud Dr. Hm Rabain Muara Enim 2021”. Science Midwifery, vol. 10, no. 2, Apr. 2022, pp. 829-34, https://midwifery.iocspublisher.org/index.php/midwifery/article/view/366.