Yates, Jean L. <br/><br/>
The business guide to the xenix system 

 - Massachusetts  Addison-wesley publishing company  1984 
 - 474p. 
<br/><br/><label>ISBN: </label>0201088479 
<br/><br/><label>Subjects--Index Terms: </label>Business  Data processing 
<br/><br/><label>Universal Decimal Class. No.: </label>65.011.56   / YAT