Competitive advantage: creating and sustaining superior performance
Porter , Michael E.
Competitive advantage: creating and sustaining superior performance - New York The Free Press 1985 - xxiv p. + 557
0-684-84146-0
658 P833C
Competitive advantage: creating and sustaining superior performance - New York The Free Press 1985 - xxiv p. + 557
0-684-84146-0
658 P833C
