COCHRON WILLWAM <br/><br/>
SAMPLING TECHNIQUES 

 - 2008 
 - DELHI  WILEY INDIA PVT   2011 
 - XVI-428 
<br/><br/><label>ISBN: </label>NULL 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NULL
<br/><br/><label>Dewey Class. No.: </label>1.433