Light, J. Richard. <br/><br/>
Evaluation Studies  English  
Light, J. Richard. 
 - California:  SAGE Publications Inc.,  1983. 
 - 633p.:  ill:  19cm. 
<br/><br/><label>ISBN: </label>0803919875 
<br/><br/><label>Dewey Class. No.: </label>300.72  / EVA