1. Competitive strategy.

by Porter, Michael E.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: New York: Free Press, 2004Availability: Items available for loan: [Call number: 658 POR] (1).
2. Competitive advantage : creating and sustaining superior performance

by Porter, Michael E.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: New York: The Free Press, 1985Availability: Items available for loan: [Call number: 658 POR] (1).

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