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classification_ss:"AVU (E)"
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Medienkompetenz : wie lehrt und lernt man Medienkompetenz? (2003)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm
classification_ss:"AVU (E)"
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm