181
by Meola, Marc, 1968-
Published 2002
Table of Contents: ...What is live virtual reference? -- Why offer live virtual reference? -- What are the five models...
Book
182
Published 1998
Book
183
188
Published 2006
Table of Contents: ... / Charles Early, Andrea Japzon, and Sarah Endres -- Building wi-fi technology and a new mobile service model...
Table of contents
Book
189
Published 2009
Book