Ehab Khaled Khairy Elrafai <br/><br/>
A computer Lan based telephone switch /  
 السنترال التليفونى المبنى على الشبكه المحليه للحاسبات 
Ehab Khaled Khairy Elrafai ; Supervised Ahmed Soliman , Amr Badawi 
 - Cairo :   Ehab Khaled Khairy Elrafai ,   1996 
 - 180 Leaves :   charts , facsimiles ;   20cm 
<br/><br/>Thesis(M.Sc.) - Cairo University - Faculty of Engineering - Department of Electronics and Communication