“APPLICATION OF PROGRESSIVE MUSCLE RELAXATION TECHNIQUES IN THE ELDERLY TO REDUCE HYPERTENSION IN THE WORKING AREA OF THE PEKAN HERAN PUBLIC HEALTH CENTER” (2025) JURNAL KEPERAWATAN, 5(2), hlm. 26–35. Tersedia pada: https://jurnal.pkr.ac.id/index.php/JONAH/article/view/1317 (Diakses: 12 Januari 2026).