Rossi, Peter H. and Howard E. Freeman <br/><br/>
Evaluation: A systematic approach 

 - 2nd ed. 
 - London  Sage publications  1982 
 - 351p 
<br/><br/><label>ISBN: </label>0-8039-1784-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research
<br/><br/><label>LC Class. No.: </label>H 62   / .R67 1982