Porter, Michael E. <br/><br/>
The competitive advantage of nations / 
Michael E. Porter. 
 - London :  The MacMillan Press Ltd.,  1990. 
 - xx, 855 pages :   illustrations ;  24 cm.  
<br/><br/> includes index. 
<br/><br/><label>ISBN: </label>0333518047 
<br/><br/><label>Subjects--Personal Names: </label><br/>Industries--competitiveness --International aspects.