A Global Post Effects of COVID-19: A Mathematical Modelling Study. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 7, n. 6, p. 2078–2112, 2025. DOI: 10.12150/jnma.2025.2078. Disponível em: https://global-sci.com/index.php/jnma/article/view/23319. Acesso em: 5 dec. 2025.