Shabda jigyasa  Shabder prakar o prakriti 
by Rama Prasad Das 
 - Kolkata  Ananda Pub  2008 
 - 147p, 
<br/><br/> Including bibliographic index. 
<br/><br/><label>ISBN: </label>81-7215-953-6  100 
<br/><br/><label>Dewey Class. No.: </label>491.44  / RAM/S