Competitive advantage; creating and sustaining superior performance
Porter, Michael E.
Competitive advantage; creating and sustaining superior performance - New York Free Press 1985 - xviii, 557p. Index. Bibl.
658 / P847.CA
Competitive advantage; creating and sustaining superior performance - New York Free Press 1985 - xviii, 557p. Index. Bibl.
658 / P847.CA
