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Polly, D. & Barbour, M. (2009). Developing Teachers’ Technological, Pedagogical, and Content Knowledge in Mathematics. In I. Gibson, R. Weber, K. McFerrin, R. Carlsen & D. Willis (Eds.), Proceedings of SITE 2009--Society for Information Technology & Teacher Education International Conference (pp. 4128-4131). Charleston, SC, USA: Association for the Advancement of Computing in Education (AACE).