Istianah, Indriani NPS, Hapipah. The Effectiveness of Healthy Heart Gymnastics on Blood Pressure and Sleep Quality in Elderly with Hypertension. JoH [Internet]. 2022Jan.28 [cited 2024Apr.26];9(1):31-9. Available from: https://journal.gunabangsa.ac.id/index.php/joh/article/view/405