1. Yao, J., Yao, Y.: Web-based support systems. In: Proceedings of the Workshop on Applications, Products and Services of Web-based Support Systems (WSS’03), pp. 1–5. (2003)
2. Yao, J.: An Introduction to Web-based Support Systems. Journal Of Intelligent Systems 17(1/3), 267. (2008)
3. Keen, P.G.W., Scott Morton M.S.: Decision Support Systems: An Organizational Perspective. Addison-Wesley, Inc., Reading, Mass. (1978)
4. Turban, E., Aronson, J.E.: Decision support systems and intelligent systems. Prentice Hall, Upper Saddle River, NJ. (2001)
5. Power, D.J.:Decision support systems. Westport, Conn., Quorum Books. (2002)