The Effect of Relaxation and Slow Breathing Technique (RSBT) as A Non-Pharmacological Intervention on Blood Pressure Level Among Stage 1 Hypertensive Older Adults. JIKO [Internet]. 2025 Oct. 27 [cited 2025 Nov. 1];7(2):85-98. Available from: https://ejournal.stikesfatmawati.ac.id/index.php/JIKO/article/view/17