Verma , S.P. <br/><br/>
Aadunik Rajnitik Siddhant 

 - New Delhi  Vani Educational Books  1985 
 - 410p. 
<br/><br/><label>ISBN: </label>0-7069-2761-3 
<br/><br/><label>Dewey Class. No.: </label>320.01H   Ver.M5