Rossi, Peter H. <br/><br/>
Evaluation  a systematic approach 
by Peter H. Rossi, Howard E. Freeman and Mark W. Lipsey 
 - 6th ed. 
 - Thousand Oaks  Sage publications  1999 
 - x, 500p. 
<br/><br/><label>ISBN: </label>0761908935 
<br/><br/><label>Dewey Class. No.: </label>361.61072  / N99