Gray, Edmund R. <br/><br/>
Management :  the competitive edge / 
[by] Edmund R. Gray, Larry R. Smeltzer. 
 - New York [a. o.] :  Macmillan [a. o.],   1989. 
<br/><br/><label>ISBN: </label>0023461802 
<br/><br/><label>Universal Decimal Class. No.: </label>658