Permana, A., Rahmi, U., Wahdini, R., & Rohaedi, S. (2026). The Effectiveness of a Combination of Slow Breathing Exercises and Progressive Muscle Relaxation on Anxiety Levels in Pre-elderly People with Hypertension. Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal), 12(1), 66–75. https://doi.org/10.33755/jkk.v12i1.977