Basic statistics . 

 - Jaipur  Govt Press India          1999 
 - 204p.  cm. 
 -  1994 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>Sigma.237s, N9/GD