Oktavia, N., D. Susanti, and R. Anggalia. “The Effect of Lemon Tea Aromatherapy on Emesis Gravidarum Reduction in Primigravida Trimester I”. Jurnal Kesehatan Ibu Dan Anak, Vol. 12, no. 2, Nov. 2018, pp. 145-52, doi:10.29238/kia.v12i2.148.