Reference service in library science 
Ram, Monage. 
 -  Random Publications.  2020 
 - viii, 262 pages 
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<br/><br/><label>ISBN: </label>978-9-35269585-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science.
<br/><br/><label>Dewey Class. No.: </label>LS 020 R1651 2020