Patton, Michael Quinn <br/><br/>
Qualitative Evaluation and Research Methods 

 - 2nd ed. 
 - London  Sage Pub.  1990 
 - 532 p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>803937792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences-Methodology
<br/><br/><label>Dewey Class. No.: </label>300.723  / PAT