Gupta, P K <br/><br/>
Koshika vigyan avam aanuvanshikee (Hindi) 

 - Meerut  Rastogi Publications  2014 
 - vii,288 
<br/><br/><label>ISBN: </label>81-7133-979-2 
<br/><br/><label>Dewey Class. No.: </label>574.87 GP: