SHARMA,Jagdish saran <br/><br/>
Reference service and sources of information 

 - New Delhi.  Ess Ess publications  1987 
 - viii,288p. 
<br/><br/><label>ISBN: </label>81-7000-022-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)<br/>source of information
<br/><br/><label>Dewey Class. No.: </label>25.52