Walker, Geraldence. <br/><br/>
Online Retrivel: A dialogue of theory and practice 

 - 2nd Edition 
 - Englewood  Greenwood Publishing Group  2005 
 - xiii,312p. 
<br/><br/><label>ISBN: </label> RS 1250.00 
<br/><br/><label>Source: </label> RS 1250.00 
<br/><br/><label>Dewey Class. No.: </label>025.524 WAL