Patton, M.Q. <br/><br/>
Utilisation- focused evaluation 
by M.Q. Patton 
 - Beverly Hills  Sage  1978 
 - 304p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - Research
<br/><br/><label>Dewey Class. No.: </label>B084 P278