De Vaus, David A.  <br/><br/>
Research design in social research 

 - London:  SAGE,  2001 
 - xvii, 279p.;  24cm. 
<br/><br/><label>ISBN: </label>0761953469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL RESEARCH
<br/><br/><label>Dewey Class. No.: </label>300.723  / DEV