Improving evaluations 
edited by Lois-ellin Datta and Robert Perloff. 
 - Beverly Hills, Calif.  Sage Publications  c1979. 
 - 280 p. 
 - Sage focus editions  12 .
<br/><br/> 920616 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0803912404 0803912412 (pbk.) 
<br/><br/><label>LCCN: </label>79013627 //r88 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)--Congresses.
<br/><br/><label>LC Class. No.: </label>H62  / .I54 
<br/><br/><label>Dewey Class. No.: </label>309.1/73/0926