6David Tall. Introducing Three Worlds of Mathematics [J]. For the Learning Mathematics, 2004, (1): 1-11.
7David Tall. Thinking Through Three Worlds of Mathematics [C]. Proceedings of the 28th Conference of theInternational Group for Psychology (PME), 2004.
8David Tall. A Theory of Mathematical Growth Through Embodiment, Symbolism and Proof [C]. Plenary Lecture for theInternational Colloquium on Mathematical Learning from Early Childhood to Adulthood, Belgium,2005.
9Watson, David Tall. The Relationship between Physical Embodiment and Mathematical Symbolism: the Concept ofVector [J].The Mediterranean Journal of Mathematics Education, 2003, (12): 73-97.
10David Tall. Embodiment, Symbolism, Argmentation and Proof [C]. Conference on Reading, Writing and Argumentationat National Changhua Normal University, 2007.
