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

 - New Delhi  Sage.  1990 
 - 153 p. 
<br/><br/><label>ISBN: </label>803933894 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Focused group interviewing
<br/><br/><label>Dewey Class. No.: </label>300.723 Ste