Successful focus groups:   advancing the state of  The art / 
ed. David L. Morgan 
 - Newbury Park, Calif., :  SAGE Publications,  1993. 
 - xv, 271 p. 
 - Sage focus edition; .
<br/><br/><label>ISBN: </label>0-8039-4873-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS SOCIALES--INVESTIGACION--METODOLOGIA<br/>GRUPOS FOCO
<br/><br/><label>Dewey Class. No.: </label>300.72  / S942