Are libraries an endangered species?
Castillo
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D002017:Budgets / Q000639:trends; D006801:Humans; D016247:Information Storage and Retrieval / Q000191:economics / Q000639:trends*; D007993:Libraries, Medical / Q000191:economics / Q000458:organization & administration* / Q000639:trends*; D014495:Universities / Q000191:economics / Q000639:trends*