LI, Zhiqiang. Industry Impact of Covid Epidemic based on Event Analysis. BCP Business & Management, [S. l.], v. 13, p. 419–426, 2021. DOI: 10.54691/bcpbm.v13i.120. Disponível em: https://bcpublication.org/index.php/BM/article/view/120. Acesso em: 19 sep. 2026.