Evaluation research methods  a basic guide 
edited by Leonard Rutman 
 - 2nd ed 
 - Beverly Hills  Sage Publications  1984 
 - 239 p. 23 cm 
 - Sage focus editions  v. 3 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>LCCN: </label>84-8293 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)--Addresses, essays, lectures