De Vaus, D. A <br/><br/>
Surveys in social research 
D. A.  De Vaus 
 - London:  George Allen,  1986. 
 - xi,254p. 
<br/><br/> Includes bibliography and index 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0043120237 
<br/><br/><label>Dewey Class. No.: </label>301.0723  / DES