حفظ المياه والتربة بدول شمال افريقيا
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Tunis (Tunisia) (np)
1985
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| Subjects: | SOIL CONSERVATION, WATER CONSERVATION, CONSERVATION DES SOLS, CONSERVATION DE L'EAU, CONSERVACION DE SUELOS, CONSERVACION DE AGUAS, |
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