1. OECD Proposed Guidelines for Collecting and Interpreting Technological Innovation Data Oslo Manual;OECD,1992
2. Strategies for a technology-based business;Ansoff;Harvard Business Review,1967
3. Three models of strategy;Chaffee;Academy of Management Review,1985
4. Patterns of strategy innovation;Choi;European Management Journal,2001
5. The Economics of Innovation;Freeman,1974