Stewart, David W <br/><br/>
Focus groups: theory and practice 

 - Newbury Park  Sage  1990 
 - 154p.  22cm 
 - Applied social research methods series .
<br/><br/><label>ISBN: </label>0803933894 
<br/><br/><label>Dewey Class. No.: </label>300.723,  / ste