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Issues in assessing the impact of CAS on mathematics examinations, Numeracy and Beyond. Proceedings of the 24th Annual Conference of the Mathematics Education Research Group of Australasia, pp.210-217, 2001. ,

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Complex calculators in the classroom: theoretical and practical reflections on teaching pre-calculus, International Journal of Computers for Mathematical Learning, vol.4, issue.1, pp.51-81, 1999. ,

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Algebraic Insight: The algebra needed to use computer algebra systems, Mathematics Teacher, issue.8, pp.95-622, 2002. ,

A Framework for Monitoring Progress and Planning Teaching Towards the Effective Use of Computer Algebra Systems, International Journal of Computers for Mathematical Learning, vol.9, issue.1 ,

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