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

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

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

New directions in reference

Reference and information services in the 21st century an introduction. по 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 по McMenemy, David