Krueger, Richard A. <br/><br/>
Focus groups :  a practical guide for applied research / 
Richard A. Krueger ; foreword by Michael Quinn Patton 
 - 197 páginas 
<br/><br/><label>ISBN: </label>0803931867 0-8039-3187-5  (rustica) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Investigaciones evaluativas (Programas de acción social)
<br/><br/><label>LC Class. No.: </label>H62  / K78