Suyanto, Sukran, et al. “Effectiveness of Combined Ar-Rahman Murottal Therapy and Lavender Aromatherapy for Family Anxiety Reduction in Intensive Care Unit Waiting Rooms: A Systematic Review”. Lentera Perawat, vol. 7, no. 2, Apr. 2026, pp. 372-83, doi:10.52235/lp.v7i2.733.