Aryani, I. and Widyaningsih, P. (2020) “Model Susceptible Vaccinated Infected Recovered (SVIR) dan Penerapannya pada Penyakit Difteri di Indonesia”, PRISMA, Prosiding Seminar Nasional Matematika, 3, pp. 156-162. Available at: https://journal.unnes.ac.id/sju/prisma/article/view/37836 (Accessed: 21December2024).