F. Kurdi, M. M. F. Sunaryo, F. Romadhonia, D. A. Amini, and K. Ramadhan, “CERDIK Behavior in Elderly with Hypertension During the COVID-19 Pandemic: Perilaku ‘CERDIK’ Pada Lansia Dengan Hipertensi Selama Pandemi COVID-19”, jkki, vol. 2, no. 1, pp. 42–56, Dec. 2022.