KRUEGER Richard A. <br/><br/>
Focus groups :  a practical guide for applied research / 
Richard A.Krueger & Mary Anne Casey 
 - 4th ed. 
 - Thousand Oaks CA :  Sage,   2009 
 - xviii, 219 p. 
<br/><br/><label>ISBN: </label>9781412969475 (comb bound) :  58.33 USD 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FOCUS GROUPS<br/>RESEARCH METHODS