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Das Problem des regionalen Entwicklungsgefälles : dargestellt am Beispiel des brasilianischen Nordostens
Holzborn, Hans-Werner, (1978)
On unresolved issues in regional development thinking
Hilhorst, J. G. M., (1980)
Regional development strategy in Southeast Europe. A comparative analysis of Albania, Bulgaria, Greece, Romania and Yugoslavia
Hoffman, George Walter, (1972)