Patton, Michael Quinn, <br/><br/>
Qualitative research & evaluation methods :  integrating theory and practice / 
 Qualitative research and evaluation methods. 
Michael Quinn Patton. 
 - Fourth edition. 
 - 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  RM349.38 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Methodology.<br/>Evaluation research (Social action programs).