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دليل المستخدم
Moustafa، A. M. (2007). A Comparative Study of Sixth Grade Students' Mathematical Anxiety and its Characteristics in Egypt and America. التربية المعاصرة، س24, ع76 ، 1 - 32. مسترجع من http://search.mandumah.com/Record/656673
Moustafa، Ayman Moustafa. "A Comparative Study of Sixth Grade Students' Mathematical Anxiety and Its Characteristics in Egypt and America." التربية المعاصرة س24, ع76 (2007): 1 - 32. مسترجع من http://search.mandumah.com/Record/656673