WARWICK, Donald P. <br/><br/>
The sample survey: theory and practice 

 - New York  McGraw-Hill Book  1975 
 - viii, 344 p. 
<br/><br/><label>ISBN: </label>70683956 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methods
<br/><br/><label>Dewey Class. No.: </label>1.42  / WAR