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دليل المستخدم
Moustafa، M.، Al Najjar، S.، و Ross، T. (1985). A Computer Controlled Learning Model to Study The Effect of Feedback-correctives on Time to Mastery and on Retention of Learning of Basic Addition of Fraction Skills. تكنولوجيا التعليم، س8, ع16 ، 6 - 18. مسترجع من http://search.mandumah.com/Record/680129
Moustafa، Mohammed، Sabah Al Najjar، و Tom Ross. "A Computer Controlled Learning Model to Study The Effect of Feedback-correctives On Time to Mastery and On Retention of Learning of Basic Addition of Fraction Skills." تكنولوجيا التعليم س8, ع16 (1985): 6 - 18. مسترجع من http://search.mandumah.com/Record/680129