QI, Lixin; MA, Zhihui; CHEN, Hongtao; BO, Yufeng; MENG, Han. Innovative Immigration Management Services from the Perspective of International Migrant Integration: A Focus on the United States Green Card System. International Journal of Social Sciences and Public Administration, U.K., v. 3, n. 2, p. 214–219, 2024. DOI: 10.62051/ijsspa.v3n2.25. Disponível em: https://wepub.org/index.php/IJSSPA/article/view/2097. Acesso em: 21 apr. 2026.