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Educational Technology & Society, Vol. 10 (3) (26 February 2007), pp. 72-83.
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In Band 57: Web 2.0: Neue erfolgreiche Kommunikationsstrategien für kleine und mittlere Unternehmen (2007)
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HMD - Praxis der Wirtschaftsinformatik, Vol. 252 (December 2006), pp. 55-65.
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HMD - Praxis der Wirtschaftsinformatik, Vol. 252 (December 2006), pp. 17-26.
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