1. Inter-organization information sharing systems;Barrett;MIS Quarterly,1982
2. MIS redraws competitive boundaries;Cash;Harvard Business Review,1985
3. “Drug Wholesaling Industry Review”, Institutional Report”, Merrill, Lynch, Pierce, Fenner and Smith Inc., Securities Research Division.
4. Data Systems That Cross Company Boundaries;Kaufman;Harvard Business Review,1966
5. Competitive Strategy;Porter,1980