PUTRI, A. R.; NASRAN, B. .; RUDIANTO, B. . Stability Analysis and Numerical Simulation of the COVID-19 SISiR Model : Bahasa Indonesia. Jurnal Matematika, Statistika dan Komputasi, [S. l.], v. 20, n. 1, p. 258- 267, 2023. DOI: 10.20956/j.v20i1.27747. Disponível em: https://journal.unhas.ac.id/index.php/jmsk/article/view/27747. Acesso em: 20 may. 2024.