Keywords Retourner à l’index urban sociology Livres Gated Neighbourhoods and privatisation of urban security in Ibadan Metropolis Oluseyi Fabiyi 2004 Urban Research in Nigeria Adepoju Onibokun et Adetoye Faniran 1995 Trends of Migrant Political Organization in Nigeria The Igbo in Kano Eghosa E. Osaghae 1994