الفهرس 
الاطار النظرييوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
The deaf handicapped represents, in all forms, one of the most serious handicaps that an individual would face in his/her lifetime. This is due to the paramount importance of the hearing sense in formulating our conceptions and cognitive world. Furthermore, it is a window on the external world, without which man would have lived in terrible silence.