BILLINGTON, M <br/><br/>
Business and Communications System 

 - London  Hodder Arrnold  2007. 
 - v,132p.: ill.;figures  Index  27cm 
<br/><br/><label>ISBN: </label>978-0-340-94178-2 
<br/><br/><label>Dewey Class. No.: </label>658 BIL