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Ratzek, W.: Problemlösung. Verifiziertes Faktum oder Illusion? (2013)
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- Date
- 22. 3.2013 14:05:39
- Source
- Information - Wissenschaft und Praxis. 64(2013) H.1, S.9-22
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Ratzek, W.: Computer Based Training in der Bildungsarbeit : Vom programmierten Lernen bis zum Lernen im Netz (1997)
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- Source
- Nachrichten für Dokumentation. 48(1997) H.1, S.25-29
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Kübler, S.; Ratzek, W.; Wursthorn, L.; Ziltz, N.: Content is King : Projekt B.I.T.Wiki geht online! (2007)
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- Date
- 23.12.2007 19:29:37