Cochran, William <br/><br/>
Sampling Techniques / 

 - 2nd  ed. 
 - New York  John Wiley   1963p. 
 - 413p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences 
<br/><br/><label>Dewey Class. No.: </label>311.2  / C4625