ISBN: | 978-5-5138-6538-4 |
High Quality Content by WIKIPEDIA articles! Virtual reference (VR) is the remote, computer-mediated delivery of reference information provided by library professionals to users who cannot access or do not want face-to-face communication. Virtual reference service is most often an extension of a library`s existing reference service program. The definition formulated by the American Library Association`s (ALA) 2004 MARS Digital Reference Guidelines Ad Hoc Committee contains three components: