Zachariah, K. C. Demographic aspects of migration in west Africa. - Washington, D.C: The World Bank, 1980. - vi,v.p.: ill.; 27cm. - (World Bank Staff Working Papers; 414) Vol.1 . Subjects--Topical Terms: Migration, InternalInternalAfricaWestPopulationEmigration and immigration LC Class. No.: ERB PAM HB2125.5.A323