Patton, Michael Quinn. <br/><br/>
Qualitative research and evaluation methods 
Michael Quinn Patton. 
 - 3 ed. 
 - Thousand Oaks, Calif.  Sage Publications  c2002. 
 - xxiv, 598, [65] p.  ill.  26 cm. 
<br/><br/> Rev. ed. of: Qualitative evaluation and research methods. 2nd ed. 1990. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0761919716 9780761919711 
<br/><br/><label>LCCN: </label>2001005181 
<br/><br/><label>Nat. Bib. No.: </label>GBA2-10506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)<br/>Social sciences--Methodology.
<br/><br/><label>LC Class. No.: </label>H62  / .P3218 2002 
<br/><br/><label>Dewey Class. No.: </label>300.723  / P3221q3