XU, Lanxuan. Macroeconomics Analysis on COVID-19 Based on Mathematical Models. Highlights in Science, Engineering and Technology, [S. l.], v. 40, p. 36–42, 2023. DOI: 10.54097/hset.v40i.6516. Disponível em: https://drpress.org/ojs/index.php/HSET/article/view/6516. Acesso em: 27 jun. 2026.