Dror, Yehezkel <br/><br/>
Ventures in policy sciences: concepts and applications 
by Yehezkel Dror 
 - New York  American Elsevier  1971 
 - 321p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy sciences.
<br/><br/><label>Dewey Class. No.: </label>B3 D837