Porter, Michael
Competitive Advantage: Creating And Sustaining Superior Perf Ormance, With A New Introduction - 0 - New York Free Press 1985 - ,;ill.
0-684-84146-0
Competition
Competitive Advantage: Creating And Sustaining Superior Perf Ormance, With A New Introduction - 0 - New York Free Press 1985 - ,;ill.
0-684-84146-0
Competition