Nisa, Hanik Khairun, and Wahyu Ernawati. “The Effect of Lavender Aromatherapy on the Frequency of Decreasing Emesis Gravidarum in the 1st Trimester Pregnant Women ”. Science Midwifery 11, no. 4 (October 10, 2023): 653-659. Accessed January 19, 2025. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/1346.