1. New Product Management for the 1980s;Booz, Allenm & Hamilton,1982
2. Business Planning in the Eighties: The New Marketing Shape of North American Corporations,1985
3. Why New Industrial Products Fail;Cooper;Industrial Marketing Management,1975
4. Winning at New Products;Cooper,1986
5. An Investigation into the New Product Process: Steps, Deficiencies and Impact;Cooper;Journal of Product Innovation Management,1986