Patton, Michael Quinn. <br/><br/>
Essentials of utilization-focused evaluation / 
Michael Quinn Patton. 
 - Los Angeles, Calif. :  SAGE,  c2012. 
 - xxii, 461 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 427-440) and indexes. 
<br/><br/><label>ISBN: </label>9781412977418 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)--United States.