1. Andreasen, M.M., 1999. Product and production development. In: Drejer, A. (Ed.), Production, Learning and Competence. Aalborg University.
2. Integrated Product Development;Andreasen,2000
3. Ansoff, H.I., McDonell, E., 1990. Implanting Strategic Management. Prentice Hall.
4. Strategic Management: Competitiveness and Globalization;Bettis,1995
5. Betz, F., 1989. Managing Technology: Competing Through New Ventures, Innovation, and Corporate Research. Prentice-Hall.