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Ref Type: Journal Article

Authors: Pinto, Maria, Manso, Ramon A.,

Title: Virtual reference services: Defining the criteria and indicators to evaluate them

Publication Full: Electronic Library

Year: 2012 Volume: 30 Issue: 1

Start Page: 51 Other Pages: 69

Descriptors: NULL

Abstract:

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Links: NULL

Extra Data: NULL

URL: NULL

Retrieved Date:January 1, 1970

Editors: NULL

Book Title: NULL

Series Title: NULL

Publisher: NULL

Place Of Publication: NULL

Issn Isbn: NULL