Kushwaha, K. S <br/><br/>
Basic concepts in statistics 
/ by K. S Kushwaha 
 - Delhi:  New India Publishing Agency,  2009. 
 - ix,194p. 
<br/><br/><label>ISBN: </label>8189422405 
<br/><br/><label>Dewey Class. No.: </label>519.5  / KUS/B