Butler, D.Crouch, N.2012-05-172012-05-172011Mathematics: traditions and [new] practices : proceedings of the AAMT-MERGA Conference, held in Alice Springs, 3-7 July 2011 ... / J. Clark, B. Kissane, J. Mousley, T. Spencer & S. Thornton (eds.): Vol. 1, pp.134-1419781875900701http://hdl.handle.net/2440/71007en© The Australian Association of Mathematics Teachers and The Mathematics Education Research Group of Australasia 2011Conference paper002011648625917