Michael E. Porter  1990 <br/><br/>
The competitive advantage of nations  With a new introduction 
Porter Michael. E 
 - New york  The free press  1990 
 - ix,855p.  ill(not coloured)includes bibliography and index  25cm 
<br/><br/><label>ISBN: </label>0684841479  Donated 
<br/><br/><label>LC Class. No.: </label>HD3611  / .P67 1990