Patton, Michael Quinn. <br/><br/>
Qualitative evaluation methods / 
Michael Quinn Patton. 
 - Beverly Hills :  Sage Publications,  c1980. 
 - 381 p. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 369-374. 
<br/><br/><label>ISBN: </label>0803913958 
<br/><br/><label>LCCN: </label>79024392  
<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  / .P3218 
<br/><br/><label>Dewey Class. No.: </label>300.723  / PAQ 1980