Application of SEIR Model in COVID-19 and The Effect of Lockdown on Reducing The Number of Active Cases. Indonesian Journal of Science and Technology, [S. l.], v. 5, n. 2, p. 185–192, 2024. Disponível em: https://ejournal.kjpupi.id/index.php/ijost/article/view/121.. Acesso em: 12 oct. 2025.