AMREVURAYIRE, E. O.; OJEH, V. N. CONSEQUENCES OF RURAL-URBAN MIGRATION ON THE SOURCE REGION OF UGHIEVWEN CLAN DELTA STATE NIGERIA. European Journal of Geography, [S. l.], v. 7, n. 3, p. 42–57, 2016. Disponível em: https://eurogeojournal.eu/index.php/egj/article/view/389. Acesso em: 1 oct. 2025.