8Brusilovsky P. Adaptive hypermedia, an attempt to analyze and generalize [ A ]. In P Brusilovsky, P Kommers & N Streitz (eds.). Multimedia, Hypermedia, and Virtual Reality [ C ]. Berlin : Springer-Verlag, 1996.288 - 304.
9Brusilovsky P. Adaptive and intelligent technologies for web-based education[J]. In Rollinger C & Peylo C ( eds. ). Special Issue on Intelligent Systems and Teleteaching, 1999, (4) : 19 -25.
10Creer Thomas L. Psychology of Adjustment: An Applied Approach [ M ]. Beijing: Peking University Press/Prentice Hall, 1997. 67 -71.