Sarma , K V S <br/><br/>
Statistics made simple 
by K V S Sarma 
 - New Delhi  PHI Learning Pvt Ltd.  2012 
<br/><br/><label>ISBN: </label>9788120340176 
<br/><br/><label>Dewey Class. No.: </label>519.5 SAR/STA-2;1