WILLIAM G COCHRAN <br/><br/>
SAMPLING TECHNIQUES 

 - 3RD 
 - New Delhi  WILEY EASTERN LIMITED  1977 
 -  428P 
<br/><br/><label>Subjects--Topical Terms: </label><br/><br/>
<br/><br/><label>Dewey Class. No.: </label>515.52/COC/SAM