Febryantika, A., Marwan, M., Awalushaumi, L. and Syechah, B. 2023. MODEL OF TRANSMISSION COVID-19 USING SIQRD MODEL WITH THE EFFECT OF VACCINATION IN MATARAM. BAREKENG: Jurnal Ilmu Matematika dan Terapan. 17, 3 (Sep. 2023), 1265-1276. DOI:https://doi.org/10.30598/barekengvol17iss3pp1265-1276.