1. Competitive advantage: Creating and sustaining superior performance;Porter,1985
2. Strategic information management: Forging the value chain;Davenport;International Journal of Information Management,1988
3. Libraries and the university value chain;Cronin;British Journal of Academic Librarianship,1988
4. VADS: the economic effects;ANON;Vanguard,1988
5. Cashing in on WANs;Finkelstein;Network,1987