Lal.C <br/><br/>
Understanding basics of library & information science; reference services & information sources(fifth paper), information services (sixth paper) computers and information technolog 

 - New Delhi  ess ess publications  2005 
 - 114p.  HB  24cm. 
<br/><br/><label>ISBN: </label>8170004373 
<br/><br/><label>Dewey Class. No.: </label>025.52076  / LAL