Rossi, Peter Henry  1982 <br/><br/>
Evaluation :  a systematic approach / 
Peter H. Rossi, Howard E. Freeman with the collaboration of Sonia Rosenbaum. 
 - 2ed. 
 - Beverly Hills, CA.:  SAGE,  1982. 
 - 351 p. 
<br/><br/><label>ISBN: </label>0-8039-17848-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Investigación en Evaluación (Programa de Acción Social)
<br/><br/><label>Dewey Class. No.: </label>361.6'1072  / R788e