Chattoupdhye, Devi Prasad <br/><br/>
Prachin Bharat mai vigyan aur Samaj 

 - Delhi  Granth Shilpi  2001 
 - 493p. 
<br/><br/><label>ISBN: </label>81-7917-014-4 
<br/><br/><label>Dewey Class. No.: </label>934H     Cha.P1