"����, �ܳ���; Bist,Diksha" <br/><br/>
������� ���� �� �ۺ��� �� ������۳�;Swadhin Bharat mein vigyan aur prodhyogiki / edited by Jai Prakash Bharti  v.1998 

 - ������;Delhi  �������� ������ۢ�;Pitambar Publishing  1998 
 - 138p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>�ۺ���
<br/><br/><label>Dewey Class. No.: </label>H 500 BIS