Mustika, I Wayan, and Ketut Sudiantara. “Effects of Health Promotion With Family Approaches on Blood Pressure and Headache Toward Elderly”. International journal of health sciences 3, no. 3 (October 15, 2019): 8-16. Accessed February 22, 2020. https://www.sciencescholar.us/journal/index.php/ijhs/article/view/344.