Vyathit , Hriday <br/><br/>
Vijnan ke dweep vol. 3 

 - Delhi  Chetak Pub. House 
 - 64p. p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science ;Hindi
<br/><br/><label>Dewey Class. No.: </label>501  / HRI