Strategic management concepts and cases : a competitive advantage approach 
David, Fred R. 
 - Fourteenth edition. 
 -  Pearson Education South Asia Pte Ltd,  2014 
 - 267 pages. 
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<br/><br/><label>ISBN: </label>978-9-81460484-0 
<br/><br/><label>Dewey Class. No.: </label>658.4 D2491 2014