Templeton JF <br/><br/>
The focus group :  A strategic guide to organizing conducting and analyzing the focus Imp. 
Templeton JF 
 - USA  USA, Probus pub. co.  1994 
 - 332p 
<br/><br/><label>ISBN: </label>1-55738-530-0 
<br/><br/><label>Source: </label>Textbook