Porter,Micheal E. <br/><br/>
The competitive advantage of nations. 

 - ed. 
 - New york :  The free press,  1990. 
 - 855  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>industry and state.