Ningsih, Arum. “Walking Exercise As an Alternative Choice in Lowering Blood Pressure in Hypertensive Patients: Systematic Review”. INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS) 4, no. 3 (December 18, 2020): 260-276. Accessed August 12, 2022. http://www.ijnms.net/index.php/ijnms/article/view/294.