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أحمد رفاعي عبد الحافظ
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Issue Date
Title
Author(s)
2017
تقويم الأزمات البيئية باستخدام إدارة المعرفة (دراسة ميدانية علي الحماية المدنية)
أحمد رفاعي عبد الحافظ
