KOUNCHEV, O.; BOYADZHIEV, G.; SIMEONOV, G.; KUNCHEV, M.; KUNCHEVA, Z. SEIR Model Analysis of the Omicron Variant Spread in Bulgaria – an Empirical Study. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 76, n. 1, p. 114–119, 2023. DOI: 10.7546/CRABS.2023.01.12. Disponível em: https://proceedings.bas.bg/index.php/cr/article/view/239. Acesso em: 23 feb. 2024.