MUTIA UTAMA, NANDA, ARRIVAL RINCE PUTRI, and MAHDHIVAN SYAFWAN. 2021. “DINAMIKA MODEL SUSCEPTIBLE INFECTED RECOVERED (SIR) DENGAN STRATEGI VAKSINASI”. Jurnal Matematika UNAND 9 (4):357-65. https://doi.org/10.25077/jmu.9.4.357-365.2020.