Application of Ergonomic Exercise to Reduce Blood Pressure in Erderly Patiens with Hypertension in the Working Area of Simpang Tiga Public Health Center Pekanbaru. JURNAL KEPERAWATAN [Internet]. 30 Maret 2026 [dikutip 18 Agustus 2026];6(1). Tersedia pada: https://jurnal.pkr.ac.id/index.php/JONAH/article/view/1407