Rutman, Leonard <br/><br/>
Planning useful evaluations: Evaluability assessment 

 - London  Sage Publications  1980 
 - 207p. 
<br/><br/><label>ISBN: </label> USD 16.95 
<br/><br/><label>Source: </label> USD 16.95 
<br/><br/><label>Dewey Class. No.: </label>309 RUT