Ramadhini, D., 		Ritonga, N., 		Siregar, Y., & 		Aswan, Y.
2021 Jul  1. The Effect of Health Education by Using Leaflet Media to Increase the Knowledge of Hypertension Patients in Outpatients At South Tapanuli District Hospital. Jurnal Kesehatan Ilmiah Indonesia / Indonesian Health Scientific Journal. [Online] 6:1