Caron, J. R.,Jarvenpaa, S. L.,Stoddard, D.(1994).Business Reengineering at CIGNA Corporation Experiences and Lessons from The First Five Years.MIS Quarterly.18(3),233-250.
Teo, Thompson S. H.,Vivien K. G. Lim,Raye Y. C. Lai(1999).Intrinsic and extrinsic motivation in internet usage.The International Journal of Management Science.27,25-37.