2David Tall.Thinking Through Three Worlds of Mathematics[C].Proceedings of the28th Conference of the International Group for Psychology,2004,4:281-288.
3Eddie Gray&David Tall.Abstraction as a natural process of mental compression[J].Mathematics Education Research Journal,2007,19(2):23-40.
4David Tall.Teachers as Mentors to encourage both Power and simplicity in active mathematical learning[C].Plenary at The Third Annual Conference for Middle East Teachers of Sci-ence,Mathematics and Computing,2007,3:17-19.
5Tall D. Thinking Through Three Worlds of Mathematics [ R]. Bergen :Proceedings of the 28th Conference of the Interna- tional Group for the Psychology of Mathematics Education,2004 : 281 -288.
6Gray E, Tall D. Abstraction as a Natural Process of Mental Compression [ J ]. Mathematics Education Research Journal,2007,19(2) :23 -40.
7Tall D. Teachers as Mentors to Encourage both Power and Simplicity in Active Mathematical Learning [ R ]. Abu Dhabi:The Third Annual Conference for MiddIe East Teachers of Science, Mathematics and Computing,2007 : 17 - 19.