Diana Permatasari, E., Rakhman, A., & Sukma Riyanti, A. (2026). Progressive Muscle Relaxation Combined with Lavender Aromatherapy: A Nursing Approach to Blood Pressure Control in Elderly. Jurnal Berita Ilmu Keperawatan, 19(1), 46–58. https://doi.org/10.23917/bik.v19i1.13512