Liu Jia <br/><br/>
Evaluation of worldwide digital reference services in libraries 

 - Oxford  Chandos Publishing UK       2007 
 - xv, 172p.  cm. 
 - Chandos : information professional series .
<br/><br/><label>ISBN: </label>1843343096 (pbk)  3151.25 
<br/><br/><label>Standard No.: </label>232,598 
<br/><br/><label>Source: </label> IN14877, 27/12/2007, Shankar Book Agency Pvt. Ltd.  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:7(D65,8(B)):b4, P7 (2D)