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

 - New York  Praeger publishers  1978 
 - xii, 157 p.; 23cm. 
<br/><br/><label>ISBN: </label>275236307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy science<br/>Social policy<br/>Social science - methodology<br/>Social science - research<br/>Social system<br/>System theory