Research design / 
edited by David de Vaus. 
 - London ;  Thousand Oaks :  SAGE,  2005. 
 - 4 v. :  charts ;  24 cm. 
<br/><br/>4 Volumes 
<br/><br/><label>ISBN: </label>0761944877 (hbk. : 4 vol. set) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.
<br/><br/><label>Dewey Class. No.: </label>300.18  / VAU P06R