por Porter, Michael Escue, 1947- [autor] | Porter, Michael Escue, 1947-. Competitive Strategy. Techniques for Analyzing Industries and Competitors | Orozco Martínez, José Luis [prologuista] | Rosas Sanchez, Maria Elena [traductor].
por Porter, Michael E, 1947- [autor] | Porter, Michael E, 1947-. Competitive advantage. Creating and sustaining superior performance | Orozco Martínez, José Luis [prologuista].