Vermani,R.C <br/><br/>
Samkaline rajnitik siddhanto ka parichaiya 

 - Delhi  Geetanjali publishing house  2001 
 - 416p. 
<br/><br/><label>ISBN: </label>81-85060-47-9 
<br/><br/><label>Dewey Class. No.: </label>320.1H          Ver.p1