Lankes R. David ...et al] Ed. <br/><br/>
Virtual reference service    From competencies to assessments 
Lankes R. David ...et al] Ed. 
 - London  Facet Publishing UK        2008 
 - xvii, 205p.  cm. 
<br/><br/><label>ISBN: </label>9781856046381 (pbk)  3318.20 
<br/><br/><label>Standard No.: </label>105353 
<br/><br/><label>Source: </label> 31192, 11/02/2011, Segment Book Distributors  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:7(D65,8(B)), P8