2011, ISBN: 9783407627575

Für schulische Führungskräfte. Batterien sind mit dem Symbol einer durchgekreuzten Mülltonne (s. u.) gekennzeichnet. Dieses Symbol weist darauf hin, dass Batterien nicht in den Hausmüll g… Plus…

Für schulische Führungskräfte. Batterien sind mit dem Symbol einer durchgekreuzten Mülltonne (s. u.) gekennzeichnet. 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