Ranganathan, Shiyali Ramamrita <br/><br/>
Reference service 

 - 2nd Rev. ed. 
 - Bombay  Asia Publishing House  1961 
 - 432 p. 
 - Ranganathan series in library science, 8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries - Reference department<br/>Library and information science
<br/><br/><label>Dewey Class. No.: </label>025.52  / R2R3