Sharma, Jagdish Saran and Grover, D. R. <br/><br/>
Reference service and sources of information 

 - New Delhi  ; Ess Ess Publications  , 1987 
 - 288p. 
<br/><br/><label>ISBN: </label>817000022X  175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Science
<br/><br/><label>Dewey Class. No.: </label>025.52  / SHA