R.S.N.PILLAI <br/><br/>
PRACTICAL STATISTISCS 

 - 1 
 - RAM NAGAR  S.CHAND AND COMPANY  2003 
 - 832 
<br/><br/><label>ISBN: </label>ISBN 81-219-0044-1 
<br/><br/><label>Dewey Class. No.: </label>519.5/PIL