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

 - London  SAGE Publications  1990 
 - 152,8  Pb 
 - Applied Social Research methods Series Volume 20 .
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>001.42