N. K. Matalia Gandari, K. A. Widiatrini, I. M. Rismawan, and N. P. C. Maseni, “Effectiveness of Sandalwood Aromatherapy on Sleep Quality in Elderly Patients with Hypertension: A Gerontological Nursing Case Study at Wanaseraya Social Care Home”, Bali Med. Wel. J, vol. 3, no. 1, May 2026.