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Browsing by Author حيدر محمود محمد احمد
Showing results 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 2011 | نقل وتجارة النفط " دراسة الحالة للنفط السودانى " | حيدر محمود محمد احمد; إشراف :أ. سيد احمد عبدالغنى |