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The mechanization of agriculture as a factor influencing population mobility in the developing countries : experiences in the Democratic Republic of the Sudan=
Gorde:
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Argitaratua: |
Berlin :
Dietrich reimer,
1983
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| Saila: | Abhandlungen des Geographischen Instituts. Anthropogeographie ;
Bd. 35 |
| Gaiak: | |
| Etiketak: |
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