4Tselios,N.,Avouris,N.,Dimitracopoulou,A.,Daskalaki,S.Evaluation of distance-learning environments: Impact of usability on student performance[].International Journal of Educational Telecommunications.2001
二级参考文献10
1T M Koulopoulos.知识管理[M].上海：上海远东出版社,..
2[1]Fulford. C & Zhang. S, Perceptions of interaction: The critical predictor in distance education [ J ]. American Journal of Distance Education. 1993 (3).
3[2]Ibert, L & Moore, D. R. Building interactivity into web coures: tools for social and instructional interaction [ J ]. Educational Technology. 1998 ( 3 ).
