Patton, Michael Quinn <br/><br/>
Qualitative evaluation and research methods 

 - 2nd ed 
 - New Delhi  Sage Publications  1990 
 - 532p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>Dewey Class. No.: </label>300.723 PAT