Ahmed Mohamed Ragheb Shams <br/><br/>
Secure instant messenger (SIM)/GP/Dr. Yasser H. Dakroury/Dr. Ismail H. Abdel Fattah 

 -  MSA,   [2006] 
 - ILL 
<br/><br/><label>ISBN: </label>853697200096 
<br/><br/><label>Dewey Class. No.: </label>003