Damansyah H, Sudirman AN, Kamiden AN, Jannah M, Nusi PI. Knowledge Level of Elderly with Diabetes Mellitus, Hypertension Against Covid-19 Vaccine in Panti Griya Jannati, Gorontalo City. JUCEP [Internet]. 2021Jun.16 [cited 2026Apr.29];1(2):17-20. Available from: https://psppjournals.org/index.php/jucep/article/view/70