Mudarris, Nelil, et al. “Literature Review: Lemon Aromatherapy Affected the Emesis Gravidarum in First Trimester Pregnancy”. Jurnal Ners Dan Kebidanan (Journal of Ners and Midwifery), vol. 10, no. 2, Sept. 2023, pp. 280-7, doi:10.26699/jnk.v10i2.ART.p280-287.