| Literature DB >> 12283488 |
Abstract
Keywords: Africa; Arab Countries; Developing Countries; Economic Development; Economic Factors; Geographic Factors; Northern Africa; Population; Social Development; Spatial Distribution; Sudan; Urban Spatial Distribution; Urbanization
Mesh:
Year: 1989 PMID: 12283488 DOI: 10.1007/bf00772691
Source DB: PubMed Journal: GeoJournal ISSN: 0343-2521