8Jonassen D H,What is cognitive tools?In:Kommers P,Jonssen D,Mayes J, eds.Cognitive Tools for Learning. Berlin: Springer- Verlag Publications, 1992. 被引量:1
9Jonassen D H,Objectivism versus constructivism: Do we need a new philosophical paradigm? ETR & D, 39(3), 5- 14, 1991. 被引量:1
10J.Kilpatrick.What Constructivism might be in mathematics education. Proceedings of the 11^th International Conference of PME[C].edu.by J.Bergeron & N.Herscovies & C.Kieran.Montreal:University .of Montreal, 1987, P4. 被引量:1