Urbanization and Migration: Difficulties with Social Integration in Megacities. Certified Journal of International Research, ISSN: 3105-6393, [S. l.], v. 1, n. 1, p. 9–17, 2021. Disponível em: https://certifiedjournal.com/index.php/cjir/article/view/10. Acesso em: 29 nov. 2025.