Mohr, Lawrence B. <br/><br/>
Impact Analysis for Program Evaluation/  Lawrence B. Mohr 

 - 2nd ed. 
 - London  Sage Publication  1995 
 - xxii, 311p. 
<br/><br/><label>ISBN: </label>0803959362 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy sciences <br/>Evaluation research--social action programs
<br/><br/><label>LC Class. No.: </label>H97  / .M64 1995