Bhattacharya   <br/><br/>
Gyan ovigyan 

 -  1954 
<br/><br/><label>Standard No.: </label>287267 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE
<br/><br/><label>Dewey Class. No.: </label>AmN, 157J4