Cochran, William G. . <br/><br/>
Sampling Techniques /  Textual Documents 
William G.Cochran. 
 - 3rd ed. / 
 - New York :  John Wiley & Sons ,  2009. 
 - 428pg ;  22cm. 
<br/><br/><label>ISBN: </label>978-81-265-1524-0 
<br/><br/><label>Subjects--Index Terms: </label>Statistics G- Statistics 
<br/><br/><label>Dewey Class. No.: </label>311.22  / Co 66 Sa