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Ruhl, Karen, Balatti, Jo, and Belward, Shaun (2011) Value of written reflections in understanding student thinking: the case of incorrect simplification of a rational expression. In: Proceedings of the 23rd biennial conference of the Australian Association of Mathematics Teachers and the 34th Annual Conference of the Mathematics Education Research Group of Australasia. pp. 667-675. From: AAMT-MERGA 2011 23rd biennial conference of the Australian Association of Mathematics Teachers and the 34th Annual Conference of the Mathematics Education Research Group of Australasia, 3-7 July 2011, Alice Springs, NT, Australia.