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Social software in libraries building collaboration, communication, and community Online por Farkas, Meredith G. 1977-

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The virtual reference handbook interview and information delivery techniques for the chat and e-mail environments por Kovacs, Diane K. (Diane Kaye) 1962-

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Reference and information services in the 21st century an introduction por Cassell, Kay Ann

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Reference and information services in the 21st century an introduction. por Cassell, Kay Ann

The virtual reference desk creating a reference future

The Virtual reference desk creating a reference future

Delivering digital services a handbook for public libraries and learning centers por McMenemy, David