Kaddoura, Sam. <br/><br/>
ECHO Made Easy /   Textual Documents 

 - 1st /   2002. 
 - New York :   Churchill Livingstone ,   2993. 
 - 244 ;    
<br/><br/><label>ISBN: </label> 223.00 
<br/><br/><label>Dewey Class. No.: </label>616.0757  / KAD