Krueger, Richard A <br/><br/>
Focus groups  A practical guide for applied research 

 - 2nd ed 
 - London  SAGE Publications  1994 
 - xiv,254  Pb 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>001.42