Patton, Michael Quinn <br/><br/>
Qualitative research & evaluation methods :  integrating theory and practice / 
Michael Quinn Patton. 
 - 4th ed. 
 - Los Angeles:   London  New Delhi  Sage,   [2015].  
 - xxi, 806 p. :  ill., tables ;  29 cm. 
<br/><br/> Includes biographical note (p. xvi-xvii) 
<br/><br/>Includes bibliographical references (p. [744]-771). Includes index (p. [772]-806). 
<br/><br/><label>ISBN: </label>9781412972123 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Methodology<br/>Evaluation research<br/>Κοινωνικές επιστήμες--Μεθοδολογία<br/>Αξιολόγηση--Έρευνα
<br/><br/><label>Dewey Class. No.: </label>001.42