Lal,C. <br/><br/>
Understanding basics of library and information science: Reference services & information sources, information services and computers & information technology/by C. Lal and K. Kumar 

 - New Delhi  Ess Ess publications  2005 
 - 114 + 146 + 114p. 
<br/><br/><label>ISBN: </label>8170004373 
<br/><br/><label>Dewey Class. No.: </label>025.1  L15U