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In: Vincent Aleven; Judy Kay; Jack Mostow (Hrsg.). Proceedings of the 10th International Conference Intelligent Tutoring Systems - Bridges to Learning. International Conference on Intelligent Tutoring Systems (ITS-2010), 10th, June 14-18, Pittsburgh, PA, USA, Pages 420-422, LNCS, Vol. 6094 and 6095, Springer, 6/2010.
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In: V. Aleven; J. Kay; J. Mostow (Hrsg.). Proceedigns of Intelligent Tutoring Systems. International Conference on Intelligent Tutoring Systems (ITS), June 14-18, Pittsburgh, Pennsylvania, USA, Springer, Berlin, 2010.
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In: Marcus Specht; Vania Dimitrova; Ulrike Cress (Hrsg.). Learning in the Synergy of Multiple Disciplines. European Conference on Technology Enhanced Learning (EC-TEL-09), September 29 - October 2, Heidelberg, Germany, Lectures Notes in Computer Science (LNCS), Vol. 5794, Springer-Verlag, 10/2009.
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In: Expert Systems with Applications, Vol. 36, No. 5, Pages 9319-9332, Pergamon Press, Inc. Tarrytown, NY, USA, 7/2009.
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