Cochran, W G <br/><br/>
Sampling Techniques 

 - 3rd 
 - New Delhi  John Wiley  2010 
 - xvi,428p. 
<br/><br/><label>ISBN: </label> RS 399.00 
<br/><br/><label>Dewey Class. No.: </label>001.433 COC,W.G