يحدث التطور الإدراكي عند الإنسان تدريجيا وتراكميا نتاج تطور اجتماعي وثقافي وجيني؛ ولم يكن ذلك بمعزل عن التطور في مناهج…
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لم تتوقع البعثة الأثرية الروسية أن تعثر على كنز أسرار يمثل تلك الخطورة والأهمية، حينما كانوا يقتفون أثر عمال مناجم…
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