MA, Guoxiang; YANG, Jiuying. Retraction: A comparative study about restricting immigration policies across 22 European countries. BCP Business & Management, [S. l.], v. 25, p. 851–867, 2022. DOI: 10.54691/bcpbm.v25i.1925. Disponível em: https://bcpublication.org/index.php/BM/article/view/1925. Acesso em: 4 sep. 2026.