1. Information technology changes the way you compete;McFarlan;Harvard Business Review,1984
2. How information gives you competitive advantage;Porter;Harvard Business Review,1985
3. Corporate Information Systems Management. Issues Facing Senior Managers;McFarlan,1983
4. Information technology: a new co mpetitive weapon;Parsons;Sloan Management Review,1983
5. IS redraws competitive boundaries;Cash;Harvard Business Review,1985