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ZDM, Vol. 40, No. 2. (14 May 2008), pp. 287-301.
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Studies In Educational Evaluation, Vol. 34, No. 1. (March 2008), pp. 31-43.
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Educational Studies in Mathematics, Vol. 68, No. 2. (13 June 2008), pp. 99-111.
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International Journal of Mathematical Education in Science and Technology, Vol. 35, No. 3. (0 2004), pp. 456-467.
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Learning and Instruction, Vol. 19, No. 1. (February 2009), pp. 66-78.
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Zeitschrift für Erziehungswissenschaft, Vol. 9, No. 4. (1 December 2006), pp. 521-544.
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Prof. Nosenix` Trickkiste
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Journal of Computers in Mathematics and Science Teaching,, Vol. 25, No. 3. (July 2006), pp. 251-279.
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Educational Technology Research and Development
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Journal of Experimental Social Psychology, Vol. 43, No. 3. (May 2007), pp. 399-409.
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Computers & Education, Vol. In Press, Corrected Proof
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World Cultures eJournal, Vol. 16, No. 2. (2008)
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In Proceedings of World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education 2004 (2004), pp. 2379-2384.
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Educational Studies in Mathematics, Vol. 49, No. 1. (30 January 2002), pp. 25-46.
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ZDM, Vol. 40, No. 3. (2008), pp. 469-486.
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ZDM, Vol. 40, No. 2. (14 May 2008), pp. 215-224.
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ZDM, Vol. 39, No. 1. (14 March 2007), pp. 87-94.
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ZDM, Vol. 38, No. 3. (7 June 2006), pp. 281-292.
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ZDM, Vol. 40, No. 1. (18 January 2008), pp. 97-110.
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ZDM, Vol. 32, No. 6. (23 December 2000), pp. 192-200.
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ZDM, Vol. 39, No. 5. (20 October 2007), pp. 365-382.
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ZDM, Vol. 39, No. 5. (20 October 2007), pp. 405-418.
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ZDM, Vol. 37, No. 1. (13 February 2005), pp. 43-52.
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ZDM, Vol. 37, No. 1. (13 February 2005), pp. 68-76.
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ZDM, Vol. 36, No. 2. (April 2004), pp. 67-76.
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ZDM, Vol. 32, No. 5. (7 October 2000), pp. 126-130.
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ZDM, Vol. 39, No. 4. (16 July 2007), pp. 301-314.
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ZDM, Vol. 33, No. 2. (7 April 2001), pp. 45-59.
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ZDM, Vol. 39, No. 5. (20 October 2007), pp. 491-501.
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ZDM, Vol. 40, No. 3. (2008), pp. 487-500.
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ZDM, Vol. 37, No. 3. (23 June 2005), pp. 250-257.
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ZDM, Vol. 39, No. 5. (20 October 2007), pp. 355-364.
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ZDM, Vol. 38, No. 5. (7 October 2006), pp. 399-412.
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ZDM, Vol. 34, No. 6. (7 December 2002), pp. 278-290.
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