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