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دليل المستخدم
Ahmed، O. M. A. (2019). A Proposed Program Based on the Next Generation Science Standards for the Development of Understanding of "NGSS" and Scientific Explanations among Electronic Diploma Students. المجلة المصرية للتربية العلمية، مج22, ع3 ، 133 - 200. مسترجع من http://search.mandumah.com/Record/968380
Ahmed، Omima Mohamed Afifi. "A Proposed Program Based On the Next Generation Science Standards for the Development of Understanding of "NGSS" and Scientific Explanations Among Electronic Diploma Students." المجلة المصرية للتربية العلمية مج22, ع3 (2019): 133 - 200. مسترجع من http://search.mandumah.com/Record/968380