هاشمية حجازية - أستاذ الدراسات البيئية : الجغرافيا الحيوية -رئيس هيئة تحرير مجلة بحوث جغرافية و دراسات جغرافية -الجمعية الجغرافية السعودية بجامعة الملك سعود
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