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دليل المستخدم
Hakeem، F. H.، و Wedge، G. (1983). AN INVESTIGATION OF THE EFFECT OF TESTING AS AN AID IN THE INSTRUCTIONAL PROCESS ON THE EFL STUDENTS' LEARNING OF GRAMMAR (رسالة دكتوراه غير منشورة). University of Kansas، لورانس. مسترجع من http://search.mandumah.com/Record/619427
Hakeem، Farid Hasan، و George Wedge. "AN INVESTIGATION OF THE EFFECT OF TESTING AS AN AID IN THE INSTRUCTIONAL PROCESS ON THE EFL STUDENTS' LEARNING OF GRAMMAR" رسالة دكتوراه. University of Kansas، لورانس، 1983. مسترجع من http://search.mandumah.com/Record/619427