Basics Concepts in Statistics/ 
Kushwaha, K.S. 
 - 1st ed. 
 - New Delhi:  New India Publishing Agency,  2009. 
 - 194 p.p. 
<br/><br/><label>ISBN: </label>9788189422400 
<br/><br/><label>Dewey Class. No.: </label>519.5  / KUS/B