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دليل المستخدم
Al Thabet، I. N.، و Duchnowski، A. J. (2002). PERCEPTIONS OF TEACHERS OF MENTAL RETARDATION REGARDING THEIR PREPARATION PROGRAM AT KING SAUD UNIVERSITY IN SAUDI ARABIA (رسالة دكتوراه غير منشورة). South Florida University، تامبا. مسترجع من http://search.mandumah.com/Record/619894
Al Thabet، Ibrahim N.، و Albert J. Duchnowski. "PERCEPTIONS OF TEACHERS OF MENTAL RETARDATION REGARDING THEIR PREPARATION PROGRAM AT KING SAUD UNIVERSITY IN SAUDI ARABIA" رسالة دكتوراه. South Florida University، تامبا، 2002. مسترجع من http://search.mandumah.com/Record/619894