“The Effect of Relaxation on Blood Pressure Reduction in Elderly Patients With Hypertension: A Systematic Review”. Jurnal kesehatan komunitas (Journal of community health) 11, no. 2 (July 31, 2025): 300–307. Accessed September 22, 2026. https://jurnal.htp.ac.id/index.php/keskom/article/view/2070.