Husnawati et al. 2021. Effect of Flyers on Knowledge and Adherence to Medication of Hypertensive Patients. JFIOnline | Print ISSN 1412-1107 | e-ISSN 2355-696X. 13, 1 (Jan. 2021), 74–80. DOI:https://doi.org/10.35617/jfionline.v13i1.111.