Mohr, Lawrence B. <br/><br/>
Impact analysis for program evaluation / 
Lawrence B. Mohr 
 - 2nd ed. 
 - Thousand Oaks, Calif. :  SAGE,  c1995 
 - xxii, 311 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0803959354 :  USD 49.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy sciences<br/>Evaluation research (Social action programs)<br/>Social problems
<br/><br/><label>Dewey Class. No.: </label>361.61