Wardiyana, W., and S. Sumarni. “Pemberian Aromaterapi Lavender Sebagai Intervensi Mandiri Keperawatan Dalam Meningkatkan Kualitas Tidur Pasien Congestive Heart Failure Pasca Operasi Bedah Jantung Di Ruang Elang I RSUP Dr. Kariadi Semarang: Lavender Aromatherapy As Nursing Intervention for Enhance Sleep Quality in Congestive Heart Failure Patient After Cardiac Surgery in Elang Ward Kariadi Hospital Semarang”. Medica Hospitalia : Journal of Clinical Medicine, vol. 9, no. 2, July 2022, pp. 222-35, doi:10.36408/mhjcm.v9i2.779.