RYBAKOV, A. V.; KVON, D. A. Migratory crisis in the European Union: origin, characteristics and measures for countering it. Amazonia Investiga, [S. l.], v. 8, n. 21, p. 14–22, 2019. Disponível em: https://amazoniainvestiga.info/index.php/amazonia/article/view/43. Acesso em: 3 jul. 2024.