SPORYSHEV, Piotr. Migration Processes and Multiculturalism. Gosudarstvennaya Sluzhba, [S. l.], v. 13, n. 2, p. 105–107, 2011. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/21282. Acesso em: 9 nov. 2026.