Devarajan, G <br/><br/>
Information access, tools, services and systems 
by Devarajan G and Joseph Kurien Pulikuthiel 
 - New Delhi  Ess Ess Publications   2011 
<br/><br/>Information-Sources of informations-Electronic information sources-Reference and information access tools-Reference service-User education-User studies-Bibliographic organisation and control-Information services-Information systems and products 
<br/><br/><label>ISBN: </label>9788170006282 
<br/><br/><label>Dewey Class. No.: </label>020 DEV/INF