Allen, T. Harrell. <br/><br/>
New methods in social science research; policy sciences and futures research 

 - New York :  Praeger,  1978 
 - 157 p.  : ilus 
<br/><br/><label>LCCN: </label>19113 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciencias sociales--Investigación.
<br/><br/><label>Dewey Class. No.: </label>307.2  / A55