Pasaribu, Masdalifah. “The Effect of Lavender Aroma Complementary Therapy on Insomnia in the Elderly at Joyah Uken Takengon Nursing Home”. Science Midwifery 9, no. 1, Oktober (October 1, 2020): 144–147. Accessed June 18, 2026. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/57.