A study of central villages and their served envelopes as lower order planning units for rural development in the Sudan /
| Main Author: | |
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| Format: | Book |
| Published: |
Khartoum:
University of Khartoum. Department of Geography,
1971
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| Series: | Sudan Research Unit. Faculty of Arts. African Studies Seminar paper ;
No. 11 |
| Subjects: |