Mohr, Lawrence B. <br/><br/>
Impact analysis for program evaluation, Lawrence B. Mohr, eng 

 - 2nd ed 
 - LoNew Delhion, Sage  1995 
 - xxii,310p.  22cm 
<br/><br/><label>ISBN: </label>0803959362 
<br/><br/><label>Dewey Class. No.: </label>361.61068,  / D, moh