Ranganathan  , S.R.. <br/><br/>
New Education and School Library /  

 - reprint,1989 /  
 - Bangalore  :   UBS Publishers Ltd.  ,   1983 
 - p.510 :  
<br/><br/><label>ISBN: </label>81-85273-36-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Not Entered
<br/><br/><label>Dewey Class. No.: </label>2,J1   / N73;1