Mohr, Lawrence B. <br/><br/>
Impact analysis for program evaluation 
2 ed. 
 - Carif,  Sage Publications, Thousand Oaks  1995 
 - xxii, 311 p. : ill ; 24 cm 
<br/><br/><label>ISBN: </label>0803959354 (alk. paper) | 0803 
<br/><br/><label>Subjects--Topical Terms: </label><br/>policy analysis, social sciences,   Evaluation Studies Evaluation research (Social action programs)
<br/><br/><label>LC Class. No.: </label>H97 .M64 1995