Lal, C. <br/><br/>
Reference services and information sources (fifth paper) ; Information services : (sixth paper) ; Computers and information technology : (seventh paper) 
/ C. Lal and Krishan Kumar 
 - New Delhi :  Ess Ess publ.,  2005 
 - various paging :   24 cm 
 - Understanding basics of library and information science .
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>8170004373  TZS 43,858.85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services <br/>Information services
<br/><br/><label>Dewey Class. No.: </label>025.52 LAL