S. B. . Sihaloho and R. H. Simanullang, “Humidifier Inhalation of Lavender Flower to Reduce Anxiety of Pre-mastectomy Patients: Humidifier Inhalation of Lavender Flower to Reduce Anxiety of Pre-mastectomy Patients”, Jukes, vol. 4, no. 1, pp. 21–28, Apr. 2024.