LI, Anqi. Final Report on the Research of 2021 American Economy. BCP Business & Management, [S. l.], v. 13, p. 1–5, 2021. DOI: 10.54691/bcpbm.v13i.45. Disponível em: https://bcpublication.org/index.php/BM/article/view/45. Acesso em: 17 sep. 2026.