Patton, Michael Quinn. <br/><br/>
Qualitative research & evaluation methods :  integrating theory and practice / 
Michael Quinn Patton. 
 - 4th ed. 
 - Thousand Oaks, California :  SAGE Publications, Inc.,  [2015] 
 - xxi, 806 pages ;  29 cm 
<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---- Methodology.<br/>Evaluation research (Social action programs)
<br/><br/><label>LC Class. No.: </label>H62  / .P36  2015