4Akkermans, H. and K. V. Helden, 2002, "Vicious and Virtu- ous Cycles in ERP Implementation: A Case Study of Interrelations Be-tween Critical Success Factors", European Journal of Information Sys- tems, Vol. 11, pp.35-36.
5Benbasat, I. and R. W. Zmud, 2003, "The Identity Crisis within the Is Discipline: Defining and Communicating the Discipllne's Core Properties", MIS Quarterly, Vol. 27, N. 2, pp.183-194.
6Charnmz, K., 2006, Constructing Grounded Theory: A Practi- cal Guide Through Qualitative Analysis, Chemmai: Sage.
7Checkland, P. B. and J. Scholes, 1990, Soft Systems Methodology in Action, John Wiley, Chichester, UK.
8Davis, F.D., 1989, "Perceived Usefulness, Perceived Ease Of Use And User Acceptance Of Information Technology", MIS Quarterly, Vol. 13. N.3. pp.319-340.
9DeLone, W. H. and E. R. McLean, 2003, "The DeLone and McLean Model of Information Systems Success: A Ten-year Update", Journal of Management Information Systems, Vol. 19, N. 4, pp.gN30.
10Durant-Law, G., 2005, "Soft Systems Mechodology and Grounded Theory Combined-A Knowledge Management Research Approach?", The actKM Online Journal of Knowledge Management, Vol. 2, N. 1, pp.13-23.
