Mohr, Lawrence B. <br/><br/>
Impact analysis for program evaluation / 
Lawrence B. Mohr. 
 - Newbury Park :  Sage Publications,  1992. 
 - xviii, 217, ix p. :  ill. ;  23 cm. 
<br/><br/> Originally published: Chicago, Ill. : Dorsey Press, c1988. 
<br/><br/>Includes bibliographical references (p. [210]-217) and index. 
<br/><br/><label>ISBN: </label>0803949812  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy sciences<br/>Evaluation research Social action programs
<br/><br/><label>LC Class. No.: </label>H97 
<br/><br/><label>Dewey Class. No.: </label>361.6/1/068