Vayas Harish Chandra <br/><br/>
Jansankhya : Samsya aur samadhan 

 - New Delhi, India  Asha Prakashan Grah  2002 
 - 243p. 
<br/><br/><label>ISBN: </label>81-7065-052-6 
<br/><br/><label>Source: </label>Textual