Damansyah, H., Sudirman, A. N. ., Kamiden, A. N. ., Jannah, M. . and Nusi, P. I. . (2021) “Knowledge Level of Elderly with Diabetes Mellitus, Hypertension Against Covid-19 Vaccine in Panti Griya Jannati, Gorontalo City”, Journal of Universal Community Empowerment Provision , 1(2), pp. 17-20. doi: 10.55885/jucep.v1i2.70.