BARNEY Jay B. Gaining ans sustaining competitive advantage. - 4th - New Delhi PHI Learning 2011 - xv,495p. cm. ISBN: 9788120342323 361.25 Source: 929A1, 10/03/2014, Shree kala Prakashan General Book Subjects--Topical Terms: Commerce Dewey Class. No.: X9:8, P2;Q1