1. Davenport, T. H. (2000).Mission critical: releasing the promise of enterprise systems,HBR Press, Boston, MA.
2. European Commission. (2001).Building and innovative economy in Europe,European Commission, Luxembourg.
3. Fichman, R. G. (2002).Real options and IT platform adoption: implications for theory and practice,Boston College, Boston.
4. Goicoechea, A., and Hansen, D. R.et al.(1982).Multi-objective decision analysis with engineering and business applications, John Wiley and Sons, New York.
5. Liberatore, M. J., and Nydick, R. L. (2003).Decision technology : modeling, software, and applications,Wiley, Hoboken, NJ, x, 386.