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1.
The Design of Development by
Edition: sixth printing
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: USA Baltimore, Maryland 1966
Availability: Items available for loan: مكتبة المطبعة - سن الفيل (1)Call number: 338.9 T587d.

2.
Eight report of the international clearinghouse on science and mathematics curricular developments by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Maryland College Park, Md. : Science Teaching Center, University of Maryland, 1972
Availability: Items available for loan: مكتبة المطبعة - سن الفيل (1)Call number: 370.72 L61i.

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