Patton, Michael Quinn. <br/><br/>
Qualitative research & evaluation methods :  integrating theory and practice / 
 Qualitative research and evaluation methods 
Michael Quinn Patton. 
 - Fourth edition. 
 - New Delhi,  Sage,  2015. 
 - xxi, 806 pages ; 
<br/><br/> Revised edition of the author's Qualitative evaluation methods. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781412972123 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences<br/>Evaluation research (Social action programs)
<br/><br/><label>Dewey Class. No.: </label>307  / PAT.Q