“Effect of Combined Progressive Muscle Relaxation and Slow Deep Breathing on Blood Pressure Reduction Among Hypertensive Elderly”. Medika Aksara: Journal of Health Sciences 1, no. 02 (July 19, 2026): 114–123. Accessed October 9, 2026. https://primasakti.web.id/index.php/medikaaksara/article/view/114.