Suchman, Edward A. <br/><br/>
Evaluative Research  Principles and Practice in public Service & Social  Action Programs 

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 - New York  Russell Sage Foundation   1967 
 - ix,186 p. 
 -   .
<br/><br/><label>ISBN: </label>871548631 
<br/><br/><label>Dewey Class. No.: </label>301.018  / S947