Pillai, R.S.N. <br/><br/>
Statistics  Theory and practice 

 - New Delhi  S. Chand & Co.  1999 
 - ix,856p.  23 cm. 
<br/><br/><label>ISBN: </label>8121904315 
<br/><br/><label>Dewey Class. No.: </label>519.5,PIL  / _