Nisa, H.K. and Ernawati, W. 2023. The effect of lavender aromatherapy on the frequency of decreasing emesis gravidarum in the 1st trimester pregnant women . Science Midwifery. 11, 4 (Oct. 2023), 653-659. DOI:https://doi.org/10.35335/midwifery.v11i4.1346.