Hansen, Morris H. <br/><br/>
Sample survey methods and theory:  Methods and applications/ 
Morris H. hansen. 
 - New York.  John Wiley & Sons, Inc.  c1953. 
<br/><br/>Index. 
<br/><br/><br/>English. 
<br/><br/> pbk. 
<br/><br/><label>ISBN: </label>0471309672 
<br/><br/><label>Dewey Class. No.: </label>519.52 HAN-S STA. 13467Sc