Diamtoro, T. W.; Widjajanti, T. W.; Matualage, D. MODEL SIR (SUSCEPTIBLE, INFECTED, REMOVED) PENYEBARAN COVID-19 DI PROVINSI PAPUA BARAT: MODEL SIR (SUSCEPTIBLE, INFECTED, REMOVED) PENYEBARAN COVID-19 DI PROVINSI PAPUA BARAT. jn 2022, 17, 64 - 71.