Abu Nayyan، I. S.، و Rude، H. A. (1990). THE EFFECT OF KNOWLEDGE BASE ON ACQUISITION OF NEW DOMAIN-RELATED INFORMATION WITH LEARNING DISABLED STUDENTS (رسالة دكتوراه غير منشورة). University of Northern Colorado، قريلي. مسترجع من http://search.mandumah.com/Record/615015
Abu Nayyan، Ibrahim Saad، و Harvey A. Rude. "THE EFFECT OF KNOWLEDGE BASE ON ACQUISITION OF NEW DOMAIN-RELATED INFORMATION WITH LEARNING DISABLED STUDENTS" رسالة دكتوراه. University of Northern Colorado، قريلي، 1990. مسترجع من http://search.mandumah.com/Record/615015