FIRA ADILA, F. A.; ARNELLIS. Seaqir Covid -19 Mathematical Modell. Rangkiang Mathematics Journal, [S. l.], v. 2, n. 2, p. 13–19, 2023. DOI: 10.24036/rmj.v2i2.40. Disponível em: https://math.ppj.unp.ac.id/index.php/RMJ/article/view/40. Acesso em: 3 dec. 2024.