Cochran, William G. <br/><br/>
Sampling techniques/3rd ed. 

 - 3rd ed. 
 - New Delhi  Wiley Eastern  1977 
 - xvi, 428p  Book  
<br/><br/><label>Subjects--Index Terms: </label>Sampling 
<br/><br/><label>Dewey Class. No.: </label>519.243 COC