| العنوان |
[Title in Arabic] Soil and water conservation in many countries |
|---|---|
| العنوان 2 |
حفظ الارض و الماء في عدة بلدان |
| المجلدات |
no.908 |
| الناشر |
Washington, D.C. : Soil Conservation Service, U.S. Dept. of Agriculture : U.S. A.I.D. [distributor] |
| عدد الصفحات |
38 |
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