Istianah, Ni Putu Sari Indriani, and Hapipah. “The Effectiveness of Healthy Heart Gymnastics on Blood Pressure and Sleep Quality in Elderly With Hypertension”. Journal of Health (JoH) 9, no. 1 (January 28, 2022): 31-39. Accessed November 23, 2024. https://journal.gunabangsa.ac.id/index.php/joh/article/view/405.