Mandaty, Fhandy, Achmad Syaifudin, and Sumarno Sumarno. “The Relationship Between Progressive Muscle Relaxation Therapy and Blood Pressure in Elderly People Suffering from Hypertension”. Jurnal Persada Husada Indonesia 11, no. 42 (July 15, 2024): 9-15. Accessed February 3, 2026. https://jurnal.stikesphi.ac.id/index.php/kesehatan/article/view/399.