Shadish, William R. <br/><br/>
Foundations of program evaluation :  theories of practice / 
Wil liam R. Shadish, Thomas D. Cook, Laura C. Leviton. 
 - Newbury Park :  Sage Publications,  1991. 
 - 529 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0803053011 (pbk) 080393551X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs).
<br/><br/><label>Dewey Class. No.: </label>361.60684