Fitri, A.U., Salsabila, N.G. and Rachman, I. (2026) “The Effect of CERDIK-Based Leaflet Health Education on the Knowledge Level of Hypertensive Patients in a Primary Health Center”, SIGn Journal of Public Health, 5(1), pp. 1–13. doi:10.37276/sjph.v5i1.721.